This is a note to let you know that I've just added the patch titled drm/nouveau/kms/nv50-: fix file release memory leak to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-nouveau-kms-nv50-fix-file-release-memory-leak.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a268ea5e96b77e65de4382a6b23a6f0257e4ac70 Author: Yang Yingliang <yangyingliang@xxxxxxxxxx> Date: Sat Sep 11 15:50:22 2021 +0800 drm/nouveau/kms/nv50-: fix file release memory leak [ Upstream commit 0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5 ] When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked. Fixes: 12885ecbfe62 ("drm/nouveau/kms/nvd9-: Add CRC support") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Reviewed-by: Karol Herbst <kherbst@xxxxxxxxxx> Signed-off-by: Karol Herbst <kherbst@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20210911075023.3969054-1-yangyingliang@xxxxxxxxxx Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c index b8c31b697797..66f32d965c72 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/crc.c +++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c @@ -704,6 +704,7 @@ static const struct file_operations nv50_crc_flip_threshold_fops = { .open = nv50_crc_debugfs_flip_threshold_open, .read = seq_read, .write = nv50_crc_debugfs_flip_threshold_set, + .release = single_release, }; int nv50_head_crc_late_register(struct nv50_head *head)