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authorZhouyang Jia <jiazhouyang09@gmail.com>2018-06-12 06:13:00 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-06-20 05:02:25 +0300
commitaa154ea885eb0c2407457ce9c1538d78c95456fa (patch)
tree59749bd63b907b4be8046a38ca0bb78460159908 /drivers/scsi/bnx2i
parent2da11d4262639dc0e2fabc6a70886db57af25c43 (diff)
downloadlinux-aa154ea885eb0c2407457ce9c1538d78c95456fa.tar.xz
scsi: bnx2i: add error handling for ioremap_nocache
When ioremap_nocache fails, the lack of error-handling code may cause unexpected results. This patch adds error-handling code after calling ioremap_nocache. Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/bnx2i')
-rw-r--r--drivers/scsi/bnx2i/bnx2i_hwi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 8f03a869ac98..e9e669a6c2bc 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -2727,6 +2727,8 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep)
BNX2X_DOORBELL_PCI_BAR);
reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);
ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);
+ if (!ep->qp.ctx_base)
+ return -ENOMEM;
goto arm_cq;
}