It printed garbage from stack:
[drm:drm_debugfs_create_files] *ERROR* Cannot create /sys/kernel/debug/dri/!.wy/2
Reported-by: Daniel Yek <danieyek@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Marcin Slusarz <marcin.slusarz@xxxxxxxxx>
Cc: stable@xxxxxxxxxx
---
drivers/gpu/drm/drm_debugfs.c | 3 +--
drivers/gpu/drm/drm_proc.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 9d8c892..b9dc262 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -90,7 +90,6 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
struct drm_device *dev = minor->dev;
struct dentry *ent;
struct drm_info_node *tmp;
- char name[64];
int i, ret;
for (i = 0; i < count; i++) {
@@ -109,7 +108,7 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
root, tmp, &drm_debugfs_fops);
if (!ent) {
DRM_ERROR("Cannot create /sys/kernel/debug/dri/%s/%s\n",
- name, files[i].name);
+ root->d_name.name, files[i].name);
kfree(tmp);
ret = -1;
goto fail;
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index 9e5b07e..0f3c4e3 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -95,7 +95,6 @@ int drm_proc_create_files(struct drm_info_list *files, int count,
struct drm_device *dev = minor->dev;
struct proc_dir_entry *ent;
struct drm_info_node *tmp;
- char name[64];
int i, ret;
for (i = 0; i < count; i++) {
@@ -118,7 +117,7 @@ int drm_proc_create_files(struct drm_info_list *files, int count,
&drm_proc_fops, tmp);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
- name, files[i].name);
+ root->name, files[i].name);
list_del(&tmp->list);
kfree(tmp);
ret = -1;
--
1.7.6.1
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