From aa154ea885eb0c2407457ce9c1538d78c95456fa Mon Sep 17 00:00:00 2001 From: Zhouyang Jia Date: Tue, 12 Jun 2018 11:13:00 +0800 Subject: 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 Reviewed-by: Johannes Thumshirn Acked-by: Manish Rangankar Signed-off-by: Martin K. Petersen --- drivers/scsi/bnx2i/bnx2i_hwi.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/scsi/bnx2i') 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; } -- cgit v1.2.3