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scsi: ufs: core: Fix an error handling path in ufshcd_read_desc_param()

Message ID 2c6e42205e5ec22e5e8c7c85c6deb8fde31c74da.1673781835.git.christophe.jaillet@wanadoo.fr
State New
Headers show
Series scsi: ufs: core: Fix an error handling path in ufshcd_read_desc_param() | expand

Commit Message

Christophe JAILLET Jan. 15, 2023, 11:24 a.m. UTC
If an error occurs, some memory may need to be freed, as in the other
error handling paths.

Before the commit in the Fixes tag, this test was done before the memory
allocation, so there was no issue.

Fixes: 16ed9d312b42 ("scsi: ufs: core: Remove ufshcd_map_desc_id_to_length()")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/ufs/core/ufshcd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Martin K. Petersen Feb. 9, 2023, 2:26 a.m. UTC | #1
Christophe,

> If an error occurs, some memory may need to be freed, as in the other
> error handling paths.

Applied to 6.3/scsi-staging, thanks!
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Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 6ec65dcdd689..097f2489bc91 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3452,7 +3452,8 @@  int ufshcd_read_desc_param(struct ufs_hba *hba,
 	if (param_offset >= buff_len) {
 		dev_err(hba->dev, "%s: Invalid offset 0x%x in descriptor IDN 0x%x, length 0x%x\n",
 			__func__, param_offset, desc_id, buff_len);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	/* Sanity check */