diff options
author | Zhipeng Lu <alexious@zju.edu.cn> | 2024-02-01 15:48:44 +0300 |
---|---|---|
committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-02-05 14:57:45 +0300 |
commit | 8f94b49a5b5d386c038e355bef6347298aabd211 (patch) | |
tree | 439e402ede8fff0574f82518b62ed7fec6ca0d8e | |
parent | 8cf9c5051076e0eb958f4361d50d8b0c3ee6691c (diff) | |
download | linux-8f94b49a5b5d386c038e355bef6347298aabd211.tar.xz |
media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity
The entity->name (i.e. name) is allocated in v4l2_m2m_register_entity
but isn't freed in its following error-handling paths. This patch
adds such deallocation to prevent memleak of entity->name.
Fixes: be2fff656322 ("media: add helpers for memory-to-memory media controller")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
-rw-r--r-- | drivers/media/v4l2-core/v4l2-mem2mem.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 9e983176542b..75517134a5e9 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -1087,11 +1087,17 @@ static int v4l2_m2m_register_entity(struct media_device *mdev, entity->function = function; ret = media_entity_pads_init(entity, num_pads, pads); - if (ret) + if (ret) { + kfree(entity->name); + entity->name = NULL; return ret; + } ret = media_device_register_entity(mdev, entity); - if (ret) + if (ret) { + kfree(entity->name); + entity->name = NULL; return ret; + } return 0; } |