Re: [PATCH v2] scsi: ufs: core: Fix error return with query response

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On 1/17/25 6:38 PM, Seunghui Lee wrote:
There is currently no mechanism to return error from query responses.
Return the error and print the corresponding error message with it.

Signed-off-by: Seunghui Lee <sh043.lee@xxxxxxxxxxx>
---
Changes to v1:
- modify the error message with response in UPIU(Bean Huo's suggestion)
---
  drivers/ufs/core/ufshcd.c | 7 ++++++-
  1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 9c26e8767515..97e50bccb95c 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3118,8 +3118,13 @@ ufshcd_dev_cmd_completion(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
  	case UPIU_TRANSACTION_QUERY_RSP: {
  		u8 response = lrbp->ucd_rsp_ptr->header.response;
- if (response == 0)
+		if (response == 0) {
  			err = ufshcd_copy_query_response(hba, lrbp);
+		} else {
+			err = -EINVAL;
+			dev_err(hba->dev, "%s: unexpected response in Query RSP: %x\n",
+					__func__, response);
+		}
  		break;
  	}
  	case UPIU_TRANSACTION_REJECT_UPIU:

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>




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