scsi: bnx2i: add error handling for ioremap_nocache
[ Upstream commit aa154ea885
]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2742,6 +2742,8 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep)
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BNX2X_DOORBELL_PCI_BAR);
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reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);
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ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);
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if (!ep->qp.ctx_base)
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return -ENOMEM;
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goto arm_cq;
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}
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