From: Horia Geantă <horia.gea...@nxp.com>

Modify drive to provide a valid errno (and not the HW error ID)
to the user, via completion callbacks.

A "valid errno" is currently not explicitly mentioned in the docs,
however the error code is expected to match the one returned by the
generic SW implementation.

Note: in most error cases caam/qi and caam/qi2 returned -EIO; align all
caam drivers to return -EINVAL.

While here, ratelimit prints triggered by fuzz testing, such that
console is not flooded.

Signed-off-by: Horia Geantă <horia.gea...@nxp.com>
Signed-off-by: Iuliana Prodan <iuliana.pro...@nxp.com>
---
 drivers/crypto/caam/caamalg.c     | 26 ++++++++--------
 drivers/crypto/caam/caamalg_qi.c  | 21 ++++---------
 drivers/crypto/caam/caamalg_qi2.c | 62 ++++++++++++---------------------------
 drivers/crypto/caam/caamhash.c    | 20 ++++++++-----
 drivers/crypto/caam/caampkc.c     | 20 ++++++++-----
 drivers/crypto/caam/error.c       | 60 +++++++++++++++++++++++--------------
 drivers/crypto/caam/error.h       |  2 +-
 drivers/crypto/caam/key_gen.c     |  5 ++--
 drivers/crypto/caam/qi.c          |  5 ++--
 9 files changed, 104 insertions(+), 117 deletions(-)

diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 43f1825..06b4f2d 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -930,19 +930,20 @@ static void aead_encrypt_done(struct device *jrdev, u32 
*desc, u32 err,
 {
        struct aead_request *req = context;
        struct aead_edesc *edesc;
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct aead_edesc, hw_desc[0]);
 
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        aead_unmap(jrdev, edesc, req);
 
        kfree(edesc);
 
-       aead_request_complete(req, err);
+       aead_request_complete(req, ecode);
 }
 
 static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -950,25 +951,20 @@ static void aead_decrypt_done(struct device *jrdev, u32 
*desc, u32 err,
 {
        struct aead_request *req = context;
        struct aead_edesc *edesc;
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct aead_edesc, hw_desc[0]);
 
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        aead_unmap(jrdev, edesc, req);
 
-       /*
-        * verify hw auth check passed else return -EBADMSG
-        */
-       if ((err & JRSTA_CCBERR_ERRID_MASK) == JRSTA_CCBERR_ERRID_ICVCHK)
-               err = -EBADMSG;
-
        kfree(edesc);
 
-       aead_request_complete(req, err);
+       aead_request_complete(req, ecode);
 }
 
 static void skcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -978,13 +974,14 @@ static void skcipher_encrypt_done(struct device *jrdev, 
u32 *desc, u32 err,
        struct skcipher_edesc *edesc;
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        int ivsize = crypto_skcipher_ivsize(skcipher);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct skcipher_edesc, hw_desc[0]);
 
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        skcipher_unmap(jrdev, edesc, req);
 
@@ -1008,7 +1005,7 @@ static void skcipher_encrypt_done(struct device *jrdev, 
u32 *desc, u32 err,
 
        kfree(edesc);
 
-       skcipher_request_complete(req, err);
+       skcipher_request_complete(req, ecode);
 }
 
 static void skcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -1018,12 +1015,13 @@ static void skcipher_decrypt_done(struct device *jrdev, 
u32 *desc, u32 err,
        struct skcipher_edesc *edesc;
        struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
        int ivsize = crypto_skcipher_ivsize(skcipher);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct skcipher_edesc, hw_desc[0]);
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        skcipher_unmap(jrdev, edesc, req);
 
@@ -1047,7 +1045,7 @@ static void skcipher_decrypt_done(struct device *jrdev, 
u32 *desc, u32 err,
 
        kfree(edesc);
 
-       skcipher_request_complete(req, err);
+       skcipher_request_complete(req, ecode);
 }
 
 /*
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c
index 32f0f8a..ab263b1 100644
--- a/drivers/crypto/caam/caamalg_qi.c
+++ b/drivers/crypto/caam/caamalg_qi.c
@@ -884,20 +884,8 @@ static void aead_done(struct caam_drv_req *drv_req, u32 
status)
 
        qidev = caam_ctx->qidev;
 
-       if (unlikely(status)) {
-               u32 ssrc = status & JRSTA_SSRC_MASK;
-               u8 err_id = status & JRSTA_CCBERR_ERRID_MASK;
-
-               caam_jr_strstatus(qidev, status);
-               /*
-                * verify hw auth check passed else return -EBADMSG
-                */
-               if (ssrc == JRSTA_SSRC_CCB_ERROR &&
-                   err_id == JRSTA_CCBERR_ERRID_ICVCHK)
-                       ecode = -EBADMSG;
-               else
-                       ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_jr_strstatus(qidev, status);
 
        edesc = container_of(drv_req, typeof(*edesc), drv_req);
        aead_unmap(qidev, edesc, aead_req);
@@ -1190,13 +1178,14 @@ static void skcipher_done(struct caam_drv_req *drv_req, 
u32 status)
        struct caam_ctx *caam_ctx = crypto_skcipher_ctx(skcipher);
        struct device *qidev = caam_ctx->qidev;
        int ivsize = crypto_skcipher_ivsize(skcipher);
+       int ecode = 0;
 
        dev_dbg(qidev, "%s %d: status 0x%x\n", __func__, __LINE__, status);
 
        edesc = container_of(drv_req, typeof(*edesc), drv_req);
 
        if (status)
-               caam_jr_strstatus(qidev, status);
+               ecode = caam_jr_strstatus(qidev, status);
 
        print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
@@ -1215,7 +1204,7 @@ static void skcipher_done(struct caam_drv_req *drv_req, 
u32 status)
        memcpy(req->iv, (u8 *)&edesc->sgt[0] + edesc->qm_sg_bytes, ivsize);
 
        qi_cache_free(edesc);
-       skcipher_request_complete(req, status);
+       skcipher_request_complete(req, ecode);
 }
 
 static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request 
*req,
diff --git a/drivers/crypto/caam/caamalg_qi2.c 
b/drivers/crypto/caam/caamalg_qi2.c
index 06bf32c..2681581 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -1227,10 +1227,8 @@ static void aead_encrypt_done(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        aead_unmap(ctx->dev, edesc, req);
        qi_cache_free(edesc);
@@ -1250,17 +1248,8 @@ static void aead_decrypt_done(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               /*
-                * verify hw auth check passed else return -EBADMSG
-                */
-               if ((status & JRSTA_CCBERR_ERRID_MASK) ==
-                    JRSTA_CCBERR_ERRID_ICVCHK)
-                       ecode = -EBADMSG;
-               else
-                       ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        aead_unmap(ctx->dev, edesc, req);
        qi_cache_free(edesc);
@@ -1352,10 +1341,8 @@ static void skcipher_encrypt_done(void *cbk_ctx, u32 
status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
@@ -1390,10 +1377,8 @@ static void skcipher_decrypt_done(void *cbk_ctx, u32 
status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        print_hex_dump_debug("dstiv  @" __stringify(__LINE__)": ",
                             DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
@@ -3094,10 +3079,7 @@ static void split_key_sh_done(void *cbk_ctx, u32 err)
 
        dev_dbg(res->dev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
-       if (err)
-               caam_qi2_strstatus(res->dev, err);
-
-       res->err = err;
+       res->err = err ? caam_qi2_strstatus(res->dev, err) : 0;
        complete(&res->completion);
 }
 
@@ -3282,10 +3264,8 @@ static void ahash_done(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE);
        memcpy(req->result, state->caam_ctx, digestsize);
@@ -3310,10 +3290,8 @@ static void ahash_done_bi(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL);
        switch_buf(state);
@@ -3343,10 +3321,8 @@ static void ahash_done_ctx_src(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL);
        memcpy(req->result, state->caam_ctx, digestsize);
@@ -3371,10 +3347,8 @@ static void ahash_done_ctx_dst(void *cbk_ctx, u32 status)
 
        dev_dbg(ctx->dev, "%s %d: err 0x%x\n", __func__, __LINE__, status);
 
-       if (unlikely(status)) {
-               caam_qi2_strstatus(ctx->dev, status);
-               ecode = -EIO;
-       }
+       if (unlikely(status))
+               ecode = caam_qi2_strstatus(ctx->dev, status);
 
        ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE);
        switch_buf(state);
@@ -4700,7 +4674,7 @@ static void dpaa2_caam_process_fd(struct dpaa2_caam_priv 
*priv,
 
        fd_err = dpaa2_fd_get_ctrl(fd) & FD_CTRL_ERR_MASK;
        if (unlikely(fd_err))
-               dev_err(priv->dev, "FD error: %08x\n", fd_err);
+               dev_err_ratelimited(priv->dev, "FD error: %08x\n", fd_err);
 
        /*
         * FD[ADDR] is guaranteed to be valid, irrespective of errors reported
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index e4ac5d5..73abefa 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -584,12 +584,13 @@ static void ahash_done(struct device *jrdev, u32 *desc, 
u32 err,
        int digestsize = crypto_ahash_digestsize(ahash);
        struct caam_hash_state *state = ahash_request_ctx(req);
        struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct ahash_edesc, hw_desc[0]);
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE);
        memcpy(req->result, state->caam_ctx, digestsize);
@@ -599,7 +600,7 @@ static void ahash_done(struct device *jrdev, u32 *desc, u32 
err,
                             DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx,
                             ctx->ctx_len, 1);
 
-       req->base.complete(&req->base, err);
+       req->base.complete(&req->base, ecode);
 }
 
 static void ahash_done_bi(struct device *jrdev, u32 *desc, u32 err,
@@ -611,12 +612,13 @@ static void ahash_done_bi(struct device *jrdev, u32 
*desc, u32 err,
        struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
        struct caam_hash_state *state = ahash_request_ctx(req);
        int digestsize = crypto_ahash_digestsize(ahash);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct ahash_edesc, hw_desc[0]);
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_BIDIRECTIONAL);
        switch_buf(state);
@@ -630,7 +632,7 @@ static void ahash_done_bi(struct device *jrdev, u32 *desc, 
u32 err,
                                     DUMP_PREFIX_ADDRESS, 16, 4, req->result,
                                     digestsize, 1);
 
-       req->base.complete(&req->base, err);
+       req->base.complete(&req->base, ecode);
 }
 
 static void ahash_done_ctx_src(struct device *jrdev, u32 *desc, u32 err,
@@ -642,12 +644,13 @@ static void ahash_done_ctx_src(struct device *jrdev, u32 
*desc, u32 err,
        int digestsize = crypto_ahash_digestsize(ahash);
        struct caam_hash_state *state = ahash_request_ctx(req);
        struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct ahash_edesc, hw_desc[0]);
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_BIDIRECTIONAL);
        memcpy(req->result, state->caam_ctx, digestsize);
@@ -657,7 +660,7 @@ static void ahash_done_ctx_src(struct device *jrdev, u32 
*desc, u32 err,
                             DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx,
                             ctx->ctx_len, 1);
 
-       req->base.complete(&req->base, err);
+       req->base.complete(&req->base, ecode);
 }
 
 static void ahash_done_ctx_dst(struct device *jrdev, u32 *desc, u32 err,
@@ -669,12 +672,13 @@ static void ahash_done_ctx_dst(struct device *jrdev, u32 
*desc, u32 err,
        struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
        struct caam_hash_state *state = ahash_request_ctx(req);
        int digestsize = crypto_ahash_digestsize(ahash);
+       int ecode = 0;
 
        dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        edesc = container_of(desc, struct ahash_edesc, hw_desc[0]);
        if (err)
-               caam_jr_strstatus(jrdev, err);
+               ecode = caam_jr_strstatus(jrdev, err);
 
        ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, DMA_FROM_DEVICE);
        switch_buf(state);
@@ -688,7 +692,7 @@ static void ahash_done_ctx_dst(struct device *jrdev, u32 
*desc, u32 err,
                                     DUMP_PREFIX_ADDRESS, 16, 4, req->result,
                                     digestsize, 1);
 
-       req->base.complete(&req->base, err);
+       req->base.complete(&req->base, ecode);
 }
 
 /*
diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c
index 2340f94..e05d975 100644
--- a/drivers/crypto/caam/caampkc.c
+++ b/drivers/crypto/caam/caampkc.c
@@ -107,9 +107,10 @@ static void rsa_pub_done(struct device *dev, u32 *desc, 
u32 err, void *context)
 {
        struct akcipher_request *req = context;
        struct rsa_edesc *edesc;
+       int ecode = 0;
 
        if (err)
-               caam_jr_strstatus(dev, err);
+               ecode = caam_jr_strstatus(dev, err);
 
        edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
 
@@ -117,7 +118,7 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 
err, void *context)
        rsa_io_unmap(dev, edesc, req);
        kfree(edesc);
 
-       akcipher_request_complete(req, err);
+       akcipher_request_complete(req, ecode);
 }
 
 static void rsa_priv_f1_done(struct device *dev, u32 *desc, u32 err,
@@ -125,9 +126,10 @@ static void rsa_priv_f1_done(struct device *dev, u32 
*desc, u32 err,
 {
        struct akcipher_request *req = context;
        struct rsa_edesc *edesc;
+       int ecode = 0;
 
        if (err)
-               caam_jr_strstatus(dev, err);
+               ecode = caam_jr_strstatus(dev, err);
 
        edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
 
@@ -135,7 +137,7 @@ static void rsa_priv_f1_done(struct device *dev, u32 *desc, 
u32 err,
        rsa_io_unmap(dev, edesc, req);
        kfree(edesc);
 
-       akcipher_request_complete(req, err);
+       akcipher_request_complete(req, ecode);
 }
 
 static void rsa_priv_f2_done(struct device *dev, u32 *desc, u32 err,
@@ -143,9 +145,10 @@ static void rsa_priv_f2_done(struct device *dev, u32 
*desc, u32 err,
 {
        struct akcipher_request *req = context;
        struct rsa_edesc *edesc;
+       int ecode = 0;
 
        if (err)
-               caam_jr_strstatus(dev, err);
+               ecode = caam_jr_strstatus(dev, err);
 
        edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
 
@@ -153,7 +156,7 @@ static void rsa_priv_f2_done(struct device *dev, u32 *desc, 
u32 err,
        rsa_io_unmap(dev, edesc, req);
        kfree(edesc);
 
-       akcipher_request_complete(req, err);
+       akcipher_request_complete(req, ecode);
 }
 
 static void rsa_priv_f3_done(struct device *dev, u32 *desc, u32 err,
@@ -161,9 +164,10 @@ static void rsa_priv_f3_done(struct device *dev, u32 
*desc, u32 err,
 {
        struct akcipher_request *req = context;
        struct rsa_edesc *edesc;
+       int ecode = 0;
 
        if (err)
-               caam_jr_strstatus(dev, err);
+               ecode = caam_jr_strstatus(dev, err);
 
        edesc = container_of(desc, struct rsa_edesc, hw_desc[0]);
 
@@ -171,7 +175,7 @@ static void rsa_priv_f3_done(struct device *dev, u32 *desc, 
u32 err,
        rsa_io_unmap(dev, edesc, req);
        kfree(edesc);
 
-       akcipher_request_complete(req, err);
+       akcipher_request_complete(req, ecode);
 }
 
 /**
diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 95da6ae..b7fbf1b 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -211,8 +211,8 @@ static const char * const rng_err_id_list[] = {
        "Secure key generation",
 };
 
-static void report_ccb_status(struct device *jrdev, const u32 status,
-                             const char *error)
+static int report_ccb_status(struct device *jrdev, const u32 status,
+                            const char *error)
 {
        u8 cha_id = (status & JRSTA_CCBERR_CHAID_MASK) >>
                    JRSTA_CCBERR_CHAID_SHIFT;
@@ -248,22 +248,27 @@ static void report_ccb_status(struct device *jrdev, const 
u32 status,
         * CCB ICV check failures are part of normal operation life;
         * we leave the upper layers to do what they want with them.
         */
-       if (err_id != JRSTA_CCBERR_ERRID_ICVCHK)
-               dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n",
-                       status, error, idx_str, idx,
-                       cha_str, cha_err_code,
-                       err_str, err_err_code);
+       if (err_id == JRSTA_CCBERR_ERRID_ICVCHK)
+               return -EBADMSG;
+
+       dev_err_ratelimited(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n", status,
+                           error, idx_str, idx, cha_str, cha_err_code,
+                           err_str, err_err_code);
+
+       return -EINVAL;
 }
 
-static void report_jump_status(struct device *jrdev, const u32 status,
-                              const char *error)
+static int report_jump_status(struct device *jrdev, const u32 status,
+                             const char *error)
 {
        dev_err(jrdev, "%08x: %s: %s() not implemented\n",
                status, error, __func__);
+
+       return -EINVAL;
 }
 
-static void report_deco_status(struct device *jrdev, const u32 status,
-                              const char *error)
+static int report_deco_status(struct device *jrdev, const u32 status,
+                             const char *error)
 {
        u8 err_id = status & JRSTA_DECOERR_ERROR_MASK;
        u8 idx = (status & JRSTA_DECOERR_INDEX_MASK) >>
@@ -289,10 +294,12 @@ static void report_deco_status(struct device *jrdev, 
const u32 status,
 
        dev_err(jrdev, "%08x: %s: %s %d: %s%s\n",
                status, error, idx_str, idx, err_str, err_err_code);
+
+       return -EINVAL;
 }
 
-static void report_qi_status(struct device *qidev, const u32 status,
-                            const char *error)
+static int report_qi_status(struct device *qidev, const u32 status,
+                           const char *error)
 {
        u8 err_id = status & JRSTA_QIERR_ERROR_MASK;
        const char *err_str = "unidentified error value 0x";
@@ -310,27 +317,33 @@ static void report_qi_status(struct device *qidev, const 
u32 status,
 
        dev_err(qidev, "%08x: %s: %s%s\n",
                status, error, err_str, err_err_code);
+
+       return -EINVAL;
 }
 
-static void report_jr_status(struct device *jrdev, const u32 status,
-                            const char *error)
+static int report_jr_status(struct device *jrdev, const u32 status,
+                           const char *error)
 {
        dev_err(jrdev, "%08x: %s: %s() not implemented\n",
                status, error, __func__);
+
+       return -EINVAL;
 }
 
-static void report_cond_code_status(struct device *jrdev, const u32 status,
-                                   const char *error)
+static int report_cond_code_status(struct device *jrdev, const u32 status,
+                                  const char *error)
 {
        dev_err(jrdev, "%08x: %s: %s() not implemented\n",
                status, error, __func__);
+
+       return -EINVAL;
 }
 
-void caam_strstatus(struct device *jrdev, u32 status, bool qi_v2)
+int caam_strstatus(struct device *jrdev, u32 status, bool qi_v2)
 {
        static const struct stat_src {
-               void (*report_ssed)(struct device *jrdev, const u32 status,
-                                   const char *error);
+               int (*report_ssed)(struct device *jrdev, const u32 status,
+                                  const char *error);
                const char *error;
        } status_src[16] = {
                { NULL, "No error" },
@@ -358,11 +371,14 @@ void caam_strstatus(struct device *jrdev, u32 status, 
bool qi_v2)
         * Otherwise print the error source name.
         */
        if (status_src[ssrc].report_ssed)
-               status_src[ssrc].report_ssed(jrdev, status, error);
-       else if (error)
+               return status_src[ssrc].report_ssed(jrdev, status, error);
+
+       if (error)
                dev_err(jrdev, "%d: %s\n", ssrc, error);
        else
                dev_err(jrdev, "%d: unknown error source\n", ssrc);
+
+       return -EINVAL;
 }
 EXPORT_SYMBOL(caam_strstatus);
 
diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h
index d9726e6..16809fa 100644
--- a/drivers/crypto/caam/error.h
+++ b/drivers/crypto/caam/error.h
@@ -12,7 +12,7 @@
 
 #define CAAM_ERROR_STR_MAX 302
 
-void caam_strstatus(struct device *dev, u32 status, bool qi_v2);
+int caam_strstatus(struct device *dev, u32 status, bool qi_v2);
 
 #define caam_jr_strstatus(jrdev, status) caam_strstatus(jrdev, status, false)
 #define caam_qi2_strstatus(qidev, status) caam_strstatus(qidev, status, true)
diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
index 48dd353..c6f8375 100644
--- a/drivers/crypto/caam/key_gen.c
+++ b/drivers/crypto/caam/key_gen.c
@@ -15,13 +15,14 @@ void split_key_done(struct device *dev, u32 *desc, u32 err,
                           void *context)
 {
        struct split_key_result *res = context;
+       int ecode = 0;
 
        dev_dbg(dev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
 
        if (err)
-               caam_jr_strstatus(dev, err);
+               ecode = caam_jr_strstatus(dev, err);
 
-       res->err = err;
+       res->err = ecode;
 
        complete(&res->completion);
 }
diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c
index 19a378b..378f627 100644
--- a/drivers/crypto/caam/qi.c
+++ b/drivers/crypto/caam/qi.c
@@ -577,8 +577,9 @@ static enum qman_cb_dqrr_result caam_rsp_fq_dqrr_cb(struct 
qman_portal *p,
 
                if (ssrc != JRSTA_SSRC_CCB_ERROR ||
                    err_id != JRSTA_CCBERR_ERRID_ICVCHK)
-                       dev_err(qidev, "Error: %#x in CAAM response FD\n",
-                               status);
+                       dev_err_ratelimited(qidev,
+                                           "Error: %#x in CAAM response FD\n",
+                                           status);
        }
 
        if (unlikely(qm_fd_get_format(fd) != qm_fd_compound)) {
-- 
2.1.0

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