From: Dave Airlie <airl...@redhat.com>
This mode group id_list was never being freed.
v2: take David's suggestion to free in minor_free.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
drivers/gpu/drm/drm_crtc.c | 6 ++++++
drivers/gpu/drm/drm_stub.c | 1 +
include/drm/drm_crtc.h | 1 +
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d8b7099..a3fe324 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1378,6 +1378,12 @@ static int drm_mode_group_init(struct drm_device *dev,
struct drm_mode_group *gr
return 0;
}
+void drm_mode_group_destroy(struct drm_mode_group *group)
+{
+ kfree(group->id_list);
+ group->id_list = NULL;
+}
+
/*
* NOTE: Driver's shouldn't ever call drm_mode_group_init_legacy_group - it is
* the drm core's responsibility to set up mode control groups.
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 4c24c3a..a06b52b 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -294,6 +294,7 @@ static void drm_minor_free(struct drm_device *dev, unsigned
int type)
slot = drm_minor_get_slot(dev, type);
if (*slot) {
+ drm_mode_group_destroy(&(*slot)->mode_group);
kfree(*slot);
*slot = NULL;
}
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index e55fccb..c6b9e8a 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -915,6 +915,7 @@ extern const char *drm_get_tv_subconnector_name(int val);
extern const char *drm_get_tv_select_name(int val);
extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct
drm_mode_group *group);
+extern void drm_mode_group_destroy(struct drm_mode_group *group);
extern bool drm_probe_ddc(struct i2c_adapter *adapter);
extern struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter);
--
1.8.5.3
