Don't have the caller allocate the structure and worry about freeing it in case the routine failed.
This patch does not change any functionality. Signed-off-by: Sagi Grimberg <[email protected]> Signed-off-by: Adir Lev <[email protected]> --- drivers/infiniband/ulp/iser/iser_verbs.c | 38 ++++++++++++----------------- 1 files changed, 16 insertions(+), 22 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index e100707..8762c61 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -339,17 +339,20 @@ iser_free_pi_ctx(struct iser_pi_context *pi_ctx) kfree(pi_ctx); } -static int +static struct iser_fr_desc * iser_create_fastreg_desc(struct ib_device *ib_device, struct ib_pd *pd, - bool pi_enable, struct iser_fr_desc *desc) + bool pi_enable) { + struct iser_fr_desc *desc; int ret; + desc = kzalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) + return ERR_PTR(-ENOMEM); + ret = iser_alloc_reg_res(ib_device, pd, &desc->rsc); - if (ret) { - iser_err("failed to allocate reg_resources\n"); - return ret; - } + if (ret) + goto reg_res_alloc_failure; if (pi_enable) { ret = iser_alloc_pi_ctx(ib_device, pd, desc); @@ -357,12 +360,14 @@ iser_create_fastreg_desc(struct ib_device *ib_device, struct ib_pd *pd, goto pi_ctx_alloc_failure; } - return 0; + return desc; pi_ctx_alloc_failure: iser_free_reg_res(&desc->rsc); +reg_res_alloc_failure: + kfree(desc); - return ret; + return ERR_PTR(ret); } /** @@ -379,21 +384,10 @@ int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, unsigned cmds_max) INIT_LIST_HEAD(&ib_conn->fastreg.pool); ib_conn->fastreg.pool_size = 0; for (i = 0; i < cmds_max; i++) { - desc = kzalloc(sizeof(*desc), GFP_KERNEL); - if (!desc) { - iser_err("Failed to allocate a new fast_reg descriptor\n"); - ret = -ENOMEM; + desc = iser_create_fastreg_desc(device->ib_device, device->pd, + ib_conn->pi_support); + if (IS_ERR(desc)) goto err; - } - - ret = iser_create_fastreg_desc(device->ib_device, device->pd, - ib_conn->pi_support, desc); - if (ret) { - iser_err("Failed to create fastreg descriptor err=%d\n", - ret); - kfree(desc); - goto err; - } list_add_tail(&desc->list, &ib_conn->fastreg.pool); ib_conn->fastreg.pool_size++; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
