diff options
| author | Dong Chuanjian <chuanjian@nfschina.com> | 2022-12-27 03:36:25 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-02-08 07:33:41 +0100 |
| commit | be3ae7cf4326e95bb1d5413b63baabc26f4a1324 (patch) | |
| tree | 140e67893d0494acd3b6ad80c9c487041dac2e91 | |
| parent | c9ca3b53ee31046a9f72cf3ced8dad6582edebfe (diff) | |
media: drivers/media/v4l2-core/v4l2-h264 : add detection of null pointers
When the pointer variable is judged to be null, null is returned
directly.
[hverkuil: fix two checkpatch warnings]
Signed-off-by: Dong Chuanjian <chuanjian@nfschina.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Fixes: d3f756ad629b ("media: v4l2: Trace calculated p/b0/b1 initial reflist")
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-h264.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-h264.c b/drivers/media/v4l2-core/v4l2-h264.c index 72bd64f65198..c00197d095e7 100644 --- a/drivers/media/v4l2-core/v4l2-h264.c +++ b/drivers/media/v4l2-core/v4l2-h264.c @@ -305,6 +305,8 @@ static const char *format_ref_list_p(const struct v4l2_h264_reflist_builder *bui int n = 0, i; *out_str = kmalloc(tmp_str_size, GFP_KERNEL); + if (!(*out_str)) + return NULL; n += snprintf(*out_str + n, tmp_str_size - n, "|"); @@ -343,6 +345,8 @@ static const char *format_ref_list_b(const struct v4l2_h264_reflist_builder *bui int n = 0, i; *out_str = kmalloc(tmp_str_size, GFP_KERNEL); + if (!(*out_str)) + return NULL; n += snprintf(*out_str + n, tmp_str_size - n, "|"); |