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authorYang Yingliang <yangyingliang@huawei.com>2021-09-11 15:50:23 +0800
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2021-10-06 11:12:29 +0200
commitf5a8703a9c418c6fc54eb772712dfe7641e3991c (patch)
tree421d22ddfe06afc6453b4cce231f713cf6a8de32
parent0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5 (diff)
drm/nouveau/debugfs: fix file release memory leakdrm-misc-fixes-2021-10-06
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>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index c2bc05eb2e54..1cbe01048b93 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -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[] = {