[PATCH] scsi: ufs: Fix to check the return value of alloc_ordered_workqueue

[Aditya Pakki]

In ufshcd_init_clk_gating, alloc_ordered_workqueue may fail and return
NULL. The patch handles error consistent with other invocations in this
module.

Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
---
 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 e040f9dd9ff3..701b2da25f09 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1791,6 +1791,8 @@ static void ufshcd_init_clk_gating(struct ufs_hba *hba)
 		 hba->host->host_no);
 	hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name,
 							   WQ_MEM_RECLAIM);
+	if (!hba->clk_gating.clk_gating_workq)
+		dev_err(hba->dev, "Failed to allocate work queue\n");
 
 	hba->clk_gating.is_enabled = true;
 
-- 
2.17.1