Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 22/28] drm/nouveau/debugfs: fix file release memory leak | Date | Mon, 11 Oct 2021 15:47:12 +0200 |
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From: Yang Yingliang <yangyingliang@huawei.com>
[ Upstream commit f5a8703a9c418c6fc54eb772712dfe7641e3991c ]
When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.
Fixes: 6e9fc177399f ("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> --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 4561a786fab0..cce4833a6083 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -185,6 +185,7 @@ 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[] = { -- 2.33.0
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