diff options
| author | Helen Fornazier <helen.koike@collabora.com> | 2018-12-07 18:56:41 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-07 19:08:41 +0100 |
| commit | e159b6074c82fe31b79aad672e02fa204dbbc6d8 (patch) | |
| tree | c43c57e524650c13fbdaea35103308ff8bcdc211 /drivers/media | |
| parent | media: v4l2-device: Link subdevices to their parent devices if available (diff) | |
| download | linux-e159b6074c82fe31b79aad672e02fa204dbbc6d8.tar.xz linux-e159b6074c82fe31b79aad672e02fa204dbbc6d8.zip | |
media: vimc: fix start stream when link is disabled
If link is disabled, media_entity_remote_pad returns NULL, causing a
NULL pointer deference.
Ignore links that are not enabled instead.
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/vimc/vimc-common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/platform/vimc/vimc-common.c index dee1b9dfc4f6..867e24dbd6b5 100644 --- a/drivers/media/platform/vimc/vimc-common.c +++ b/drivers/media/platform/vimc/vimc-common.c @@ -276,6 +276,8 @@ int vimc_pipeline_s_stream(struct media_entity *ent, int enable) /* Start the stream in the subdevice direct connected */ pad = media_entity_remote_pad(&ent->pads[i]); + if (!pad) + continue; if (!is_media_entity_v4l2_subdev(pad->entity)) return -EINVAL; |