GitHub-Mirror/build
2
0
Fork 0
mirror of https://github.com/Fishwaldo/build.git synced 2025-03-29 18:21:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #1215 from teacupx/master

Browse source 
drm: workaround for crash when trying to open render node
This commit is contained in:
JMCC 2019-01-06 21:55:04 +01:00 • committed by GitHub
commit cc4a74fd62
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
patch/kernel/rk3399-default/50-fix_drm.patch Normal file
View file

@ -0,0 +1,23 @@
From 06d1099d7f4cece7af7793ff68fabc08eb55935d Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Wed, 14 Nov 2018 06:08:01 +0100
Subject: [PATCH] drm: workaround for crash when trying to open render node
---
drivers/gpu/drm/drm_ioctl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 34757168ffaa..0914c886277f 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -57,6 +57,9 @@ static int drm_getunique(struct drm_device *dev, void *data,
struct drm_unique *u = data;
struct drm_master *master = file_priv->master;
+ if (!master)
+ return -EINVAL;
+
if (u->unique_len >= master->unique_len) {
if (copy_to_user(u->unique, master->unique, master->unique_len))
return -EFAULT;