[PATCH v2] scsi: ufshcd: fix missing destroy_workqueue()

From: Qinglang Miao
Date: Tue Nov 10 2020 - 02:37:30 EST


Add the missing destroy_workqueue() before return from
ufshcd_init in the error handling case as well as in
ufshcd_remove.

Fixes: 4db7a2360597 ("scsi: ufs: Fix concurrency of error handler and other error recovery paths")
Suggested-by: Avri Altman <Avri.Altman@xxxxxxx>
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
v2: consider missing destroy_workqueue ufshcd_remove either.

drivers/scsi/ufs/ufshcd.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index b8f573a02713..adbdda4f556b 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8906,6 +8906,7 @@ void ufshcd_remove(struct ufs_hba *hba)
blk_mq_free_tag_set(&hba->tmf_tag_set);
blk_cleanup_queue(hba->cmd_queue);
scsi_remove_host(hba->host);
+ destroy_workqueue(hba->eh_wq);
/* disable interrupts */
ufshcd_disable_intr(hba, hba->intr_mask);
ufshcd_hba_stop(hba);
@@ -9206,6 +9207,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
exit_gating:
ufshcd_exit_clk_scaling(hba);
ufshcd_exit_clk_gating(hba);
+ destroy_workqueue(hba->eh_wq);
out_disable:
hba->is_irq_enabled = false;
ufshcd_hba_exit(hba);
--
2.23.0