From: Markus Elfring <[email protected]>
Date: Wed, 16 Aug 2017 20:30:44 +0200

Omit extra messages for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
 fs/pstore/ram.c      |  6 +-----
 fs/pstore/ram_core.c | 15 ++++-----------
 2 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 7125b398d312..42d27e5fac9f 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -719,7 +719,6 @@ static int ramoops_probe(struct platform_device *pdev)
        if (dev_of_node(dev) && !pdata) {
                pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
                if (!pdata) {
-                       pr_err("cannot allocate platform data buffer\n");
                        err = -ENOMEM;
                        goto fail_out;
                }
@@ -814,7 +813,6 @@ static int ramoops_probe(struct platform_device *pdev)
        cxt->pstore.bufsize = max(cxt->record_size, cxt->pstore.bufsize);
        cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL);
        if (!cxt->pstore.buf) {
-               pr_err("cannot allocate pstore buffer\n");
                err = -ENOMEM;
                goto fail_clear;
        }
@@ -904,10 +902,8 @@ static void ramoops_register_dummy(void)
        pr_info("using module parameters\n");
 
        dummy_data = kzalloc(sizeof(*dummy_data), GFP_KERNEL);
-       if (!dummy_data) {
-               pr_info("could not allocate pdata\n");
+       if (!dummy_data)
                return;
-       }
 
        dummy_data->mem_size = mem_size;
        dummy_data->mem_address = mem_address;
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index e11672aa4575..fafa8af1289c 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -292,10 +292,8 @@ void persistent_ram_save_old(struct persistent_ram_zone 
*prz)
        if (!prz->old_log) {
                persistent_ram_ecc_old(prz);
                prz->old_log = kmalloc(size, GFP_KERNEL);
-       }
-       if (!prz->old_log) {
-               pr_err("failed to allocate buffer\n");
-               return;
+               if (!prz->old_log)
+                       return;
        }
 
        prz->old_log_size = size;
@@ -411,8 +409,5 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t 
size,
-       if (!pages) {
-               pr_err("%s: Failed to allocate array for %u pages\n",
-                      __func__, page_count);
+       if (!pages)
                return NULL;
-       }
 
        for (i = 0; i < page_count; i++) {
                phys_addr_t addr = page_start + i * PAGE_SIZE;
@@ -529,7 +524,5 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t 
start, size_t size,
-       if (!prz) {
-               pr_err("failed to allocate persistent ram zone\n");
+       if (!prz)
                goto err;
-       }
 
        /* Initialize general buffer state. */
        raw_spin_lock_init(&prz->buffer_lock);
-- 
2.14.0

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