Messages in this thread Patch in this message | | | From | Zhouyang Jia <> | Subject | [PATCH] scsi: bnx2i: add error handling for ioremap_nocache | Date | Tue, 12 Jun 2018 11:13:00 +0800 |
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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> --- 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 8f03a86..e9e669a 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; } -- 2.7.4
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