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Commit b4bc21f1 authored by Zhouyang Jia's avatar Zhouyang Jia Committed by Greg Kroah-Hartman
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scsi: bnx2i: add error handling for ioremap_nocache 



[ 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: default avatarZhouyang Jia <jiazhouyang09@gmail.com>
Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Acked-by: default avatarManish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fafbfb10

drivers/scsi/bnx2i/bnx2i_hwi.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -2742,6 +2742,8 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep) 
					      BNX2X_DOORBELL_PCI_BAR);

					      BNX2X_DOORBELL_PCI_BAR);

		reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);

		reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);

		ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);

		ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);

		if (!ep->qp.ctx_base)

			return -ENOMEM;

		goto arm_cq;

		goto arm_cq;

	}

	}