From: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
commit 3630901933afba1d16c462b04d569b7576339223 upstream.
We are losing the reference to an allocated memory if try. Change the
order of the check to avoid that.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 6d5f26f2e045 ("media: staging/intel-ipu3-v4l: reduce kernel stack usage")
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/media/ipu3/ipu3-v4l2.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- a/drivers/staging/media/ipu3/ipu3-v4l2.c
+++ b/drivers/staging/media/ipu3/ipu3-v4l2.c
@@ -693,6 +693,13 @@ static int imgu_fmt(struct imgu_device *
if (inode == IMGU_NODE_STAT_3A || inode == IMGU_NODE_PARAMS)
continue;
+ /* CSS expects some format on OUT queue */
+ if (i != IPU3_CSS_QUEUE_OUT &&
+ !imgu_pipe->nodes[inode].enabled) {
+ fmts[i] = NULL;
+ continue;
+ }
+
if (try) {
fmts[i] = kmemdup(&imgu_pipe->nodes[inode].vdev_fmt.fmt.pix_mp,
sizeof(struct v4l2_pix_format_mplane),
@@ -705,10 +712,6 @@ static int imgu_fmt(struct imgu_device *
fmts[i] = &imgu_pipe->nodes[inode].vdev_fmt.fmt.pix_mp;
}
- /* CSS expects some format on OUT queue */
- if (i != IPU3_CSS_QUEUE_OUT &&
- !imgu_pipe->nodes[inode].enabled)
- fmts[i] = NULL;
}
if (!try) {
