scsi: ufs: print helpful hint when response size exceed buffer size (3d4881d1) · Commits · 戴 / test

Print out returned response size and buffer size, while the front one is bigger than the back one. Link: https://lore.kernel.org/r/20191112223436.27449-2-huobean@gmail.com Reviewed-by:

drivers/scsi/ufs/ufshcd.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -1938,8 +1938,8 @@ int ufshcd_copy_query_response(struct ufs_hba hba, struct ufshcd_lrb lrbp)
		memcpy(hba->dev_cmd.query.descriptor, descp, resp_len);
		} else {
		dev_warn(hba->dev,
		"%s: Response size is bigger than buffer",
		__func__);
		"%s: rsp size %d is bigger than buffer size %d",
		__func__, resp_len, buf_len);
		return -EINVAL;
		}
		}
		@@ -5864,7 +5864,9 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
		memcpy(desc_buff, descp, resp_len);
		*buff_len = resp_len;
		} else {
		dev_warn(hba->dev, "rsp size is bigger than buffer");
		dev_warn(hba->dev,
		"%s: rsp size %d is bigger than buffer size %d",
		__func__, resp_len, *buff_len);
		*buff_len = 0;
		err = -EINVAL;
		}