scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer()

Add a NULL check for the returned hwq pointer by ufshcd_mcq_req_to_hwq().

This is similar to the fix in commit 74736103fb41 ("scsi: ufs: core: Fix
ufshcd_abort_one racing issue").

Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com>
Link: https://lore.kernel.org/r/20250412195909.315418-1-chenyuan0y@gmail.com
Fixes: ab248643d3d6 ("scsi: ufs: core: Add error handling for MCQ mode")
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index ca2b0aae9d11ccaf79f6c002f7896eceb6198a9c..5cb6132b8147a38302d5ea13b82c3bab5033c481 100644 (file)
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5678,6 +5678,8 @@ static void ufshcd_mcq_compl_pending_transfer(struct ufs_hba *hba,
                        continue;
 
                hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(cmd));
+               if (!hwq)
+                       continue;
 
                if (force_compl) {
                        ufshcd_mcq_compl_all_cqes_lock(hba, hwq);