From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Mon, 31 Oct 2016 15:04:10 +0000 (+0000)
Subject: mvsas: fix error return code in mvs_task_prep()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=18eddaedc940a49425364df98abda218ce1e771c;p=linux.git

mvsas: fix error return code in mvs_task_prep()

Fix to return error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 86eb19902bace..c7cc8035eacb3 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -791,8 +791,10 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
 	slot->slot_tag = tag;
 
 	slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
-	if (!slot->buf)
+	if (!slot->buf) {
+		rc = -ENOMEM;
 		goto err_out_tag;
+	}
 	memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
 
 	tei.task = task;