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drm/nouveau/debugfs: fix file release memory leak

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[ Upstream commit f5a8703a9c ]

When using single_open() for opening, single_release() should be
called, otherwise the 'op' allocated in single_open() will be leaked.

Fixes: 6e9fc17739 ("drm/nouveau/debugfs: add copy of sysfs pstate interface ported to debugfs")
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/20210911075023.3969054-2-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 15:50:23 +08:00
committed by Greg Kroah-Hartman
parent 65fff0a8ef
commit f69556a420
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/nouveau_debugfs.c
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@@ -207,6 +207,7 @@ static const struct file_operations nouveau_pstate_fops = {
.open = nouveau_debugfs_pstate_open,
.read = seq_read,
.write = nouveau_debugfs_pstate_set,
.release = single_release,
};
static struct drm_info_list nouveau_debugfs_list[] = {