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drm/nouveau/kms/nv50-: fix file release memory leak

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[ 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: 12885ecbfe ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2021-09-11 15:50:22 +08:00 committed by Greg Kroah-Hartman
parent f86e19d918
commit 65fff0a8ef
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/nouveau/dispnv50/crc.c
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@ -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)