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[SCSI] qla2xxx: Avoid null pointer dereference in shutdown routine.

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Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Masanari Iida 2013-02-08 01:57:44 -05:00 committed by James Bottomley
parent a865c50a64
commit 552f3f9aca
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/qla2xxx/qla_os.c
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@ -2808,6 +2808,9 @@ qla2x00_shutdown(struct pci_dev *pdev)
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
if (!atomic_read(&pdev->enable_cnt))
return;
vha = pci_get_drvdata(pdev);
ha = vha->hw;