drm/amdgpu: fix incorrect use of fcheck

commit bce31d4c1ae8865d6382e3a27b07b4bb8e020ade upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index 86a0715d9431ded69bac338a38143d82789ad949..cb62a90d0686726f6eb6473b566f4f04392decda 100644 (file)
--- 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_override(struct amdgpu_device *adev,
                                                  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_override(struct amdgpu_device *adev,
 
        put_pid(pid);
 
+       fput(filp);
+
        return 0;
 }