Re: [PATCH -next v2] scsi: lpfc: add missing destroy_workqueue() on error path in lpfc_sli4_driver_resource_setup()

From: James Smart
Date: Tue Aug 23 2022 - 12:54:24 EST


On 8/22/2022 9:42 PM, Yang Yingliang wrote:
Add the missing destroy_workqueue() before return from
lpfc_sli4_driver_resource_setup() in error path.

Fixes: 3cee98db2610 ("scsi: lpfc: Fix crash on driver unload in wq free")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
v2:
correct label spelling error
---
drivers/scsi/lpfc/lpfc_init.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index c69c5a0979ec..55a1ad6eed03 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8053,7 +8053,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* Allocate device driver memory */
rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
if (rc)
- return -ENOMEM;
+ goto out_destroy_workqueue;
/* IF Type 2 ports get initialized now. */
if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
@@ -8481,6 +8481,9 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
lpfc_destroy_bootstrap_mbox(phba);
out_free_mem:
lpfc_mem_free(phba);
+out_destroy_workqueue:
+ destroy_workqueue(phba->wq);
+ phba->wq = NULL;
return rc;
}

Thank You!

Reviewed-by: James Smart <jsmart2021@xxxxxxxxx>

-- james