Hi, Ricardo
Thanks for your patch.
It looks fine for me, do you mind squash 2 patchsets into 1 commit?
On 3/15/21 8:34 PM, Ricardo Ribalda wrote:
> 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>
> ---
> drivers/staging/media/ipu3/ipu3-v4l2.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c
> index 60aa02eb7d2a..35a74d99322f 100644
> --- 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 *imgu, unsigned int pipe, int node,
> 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 *imgu, unsigned int pipe, int node,
> 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) {
>
--
Best regards,
Bingbu Cao
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