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[PATCH 1/1] scsi: esas2r: fix unchecked return value

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  [PATCH 1/1] scsi: esas2r: fix unchecked return value Pan Bian <bianpan2016@163.com> - 2017-04-23 07:40 +0200

#1628902 — [PATCH 1/1] scsi: esas2r: fix unchecked return value

Function pci_enable_device() returns a negative errno on failure, and
its return value should be validated. In function esas2r_resume(), its
return value is ignored. This patch fixes the bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
---
 drivers/scsi/esas2r/esas2r_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c
index 6432a50..f482664 100644
--- a/drivers/scsi/esas2r/esas2r_init.c
+++ b/drivers/scsi/esas2r/esas2r_init.c
@@ -728,6 +728,8 @@ 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) {
-- 
1.9.1

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