[PATCH] staging: vt6655: fix potential memory leak

From: Nam Cao
Date: Fri Sep 09 2022 - 10:14:10 EST


In function device_init_td0_ring, memory is allocated for member
td_info of priv->apTD0Rings[i], with i increasing from 0. In case of
allocation failure, the memory is freed in reversed order, with i
decreasing to 0. However, the case i=0 is left out and thus memory is
leaked.

Modify the memory freeing loop to include the case i=0.

Signed-off-by: Nam Cao <namcaov@xxxxxxxxx>
---
drivers/staging/vt6655/device_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 3397c78b975a..a65014195fdc 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -743,7 +743,7 @@ static int device_init_td0_ring(struct vnt_private *priv)
return 0;

err_free_desc:
- while (--i) {
+ while (i--) {
desc = &priv->apTD0Rings[i];
kfree(desc->td_info);
}
--
2.25.1