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Date: Tue, 12 Jun 2018 12:14:09 +0800 From: Zhouyang Jia <jiazhouyang09@...il.com> To: unlisted-recipients:; (no To-header on input) Cc: Zhouyang Jia <jiazhouyang09@...il.com>, Bradley Grove <linuxdrivers@...otech.com>, "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] scsi: esas2r: add error handling for pci_enable_device When pci_enable_device fails, the lack of error-handling code may cause unexpected results. This patch adds error-handling code after calling pci_enable_device. Signed-off-by: Zhouyang Jia <jiazhouyang09@...il.com> --- drivers/scsi/esas2r/esas2r_init.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c index 9dffcb2..364538c 100644 --- a/drivers/scsi/esas2r/esas2r_init.c +++ b/drivers/scsi/esas2r/esas2r_init.c @@ -707,6 +707,9 @@ int esas2r_resume(struct pci_dev *pdev) esas2r_log_dev(ESAS2R_LOG_INFO, &(pdev->dev), "pci_enable_device() called"); rez = pci_enable_device(pdev); + if (rez) + goto error_exit; + pci_set_master(pdev); if (!a) { -- 2.7.4
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