From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 17 Aug 2018 19:36:08 +0200
Subject: drm/amdgpu: fix incorrect use of fcheck
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: bce31d4c1ae8865d6382e3a27b07b4bb8e020ade
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
The usage isn't RCU protected.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -53,7 +53,7 @@ static int amdgpu_sched_process_priority
int fd,
enum drm_sched_priority priority)
{
- struct file *filp = fcheck(fd);
+ struct file *filp = fget(fd);
struct drm_file *file;
struct pid *pid;
struct amdgpu_fpriv *fpriv;
@@ -78,6 +78,8 @@ static int amdgpu_sched_process_priority
put_pid(pid);
+ fput(filp);
+
return 0;
}