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authorYang Yingliang <yangyingliang@huawei.com>2021-09-11 10:50:22 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2021-10-06 12:12:29 +0300
commit0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5 (patch)
tree00de31bb2011812777f06fb4bde544752acec514
parentbcf34aa5082ee2343574bc3f4d1c126030913e54 (diff)
downloadlinux-0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5.tar.xz
drm/nouveau/kms/nv50-: fix file release memory leak
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@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210911075023.3969054-1-yangyingliang@huawei.com Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/crc.c1
1 files changed, 1 insertions, 0 deletions
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)