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scsi: bnx2i: add error handling for ioremap_nocache

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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>
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>
This commit is contained in:
Zhouyang Jia 2018-06-12 11:13:00 +08:00 committed by Martin K. Petersen
parent 2da11d4262
commit aa154ea885
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/bnx2i/bnx2i_hwi.c
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@ -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;
}