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Commit 92989cc8 authored by srikanthreddy ponogoti's avatar srikanthreddy ponogoti
Browse files

disp: msm: sde: protect file private structure with mutex lock 



Access file private data structures inside the
mutex lock only to avoid use-after-free issues.

Change-Id: Ibae25aa31eeb7a7afada3dd0ecc236615223dfc9
Signed-off-by: default avatarsrikanthreddy ponogoti <sponogot@codeaurora.org>
parent a6d7a9b5

drivers/gpu/drm/msm/msm_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -1422,7 +1422,7 @@ void msm_mode_object_event_notify(struct drm_mode_object *obj, 


static int msm_release(struct inode *inode, struct file *filp)

{

	struct drm_file *file_priv = filp->private_data;

	struct drm_file *file_priv;

	struct drm_minor *minor;

	struct drm_device *dev;

	struct msm_drm_private *priv;
@@ -1434,6 +1434,7 @@ static int msm_release(struct inode *inode, struct file *filp) 


	mutex_lock(&msm_release_lock);



	file_priv = filp->private_data;

	if (!file_priv) {

		ret = -EINVAL;

		goto end;