From: Zhouyang Jia <jiazhouyang09@xxxxxxxxx> [ Upstream commit aa154ea885eb0c2407457ce9c1538d78c95456fa ] 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@xxxxxxxxx> Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> Acked-by: Manish Rangankar <Manish.Rangankar@xxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> --- drivers/scsi/bnx2i/bnx2i_hwi.c | 2 ++ 1 file changed, 2 insertions(+) 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; } -- 2.17.1
