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scsi: lpfc: Check the return value of alloc_workqueue()

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The function alloc_workqueue() in lpfc_sli4_driver_resource_setup() can
fail, but there is no check of its return value. The return value should be
checked.

Link: https://lore.kernel.org/r/20220723064027.2956623-1-williamsukatube@163.com
Fixes: 3cee98db26 ("scsi: lpfc: Fix crash on driver unload in wq free")
Reported-by: Hacash Robot <hacashRobot@santino.com>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: William Dean <williamsukatube@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
William Dean 2022-07-23 14:40:27 +08:00 committed by Martin K. Petersen
parent 8fcdc238ce
commit f00e0d7714
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/lpfc/lpfc_init.c
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@ -7948,6 +7948,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* The lpfc_wq workqueue for deferred irq use */
phba->wq = alloc_workqueue("lpfc_wq", WQ_MEM_RECLAIM, 0);
if (!phba->wq)
return -ENOMEM;
/*
* Initialize timers used by driver