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Commit c4aed876 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: fix incorrect use of drm_file->pid 



That's the PID of the creator of the file (usually the X server) and not
the end user of the file.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
parent bce31d4c

drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c

+4 −15
Original line number Diff line number Diff line
@@ -55,7 +55,6 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev, 
{

	struct file *filp = fget(fd);

	struct drm_file *file;

	struct pid *pid;

	struct amdgpu_fpriv *fpriv;

	struct amdgpu_ctx *ctx;

	uint32_t id;
@@ -63,20 +62,10 @@ static int amdgpu_sched_process_priority_override(struct amdgpu_device *adev, 
	if (!filp)

		return -EINVAL;



	pid = get_pid(((struct drm_file *)filp->private_data)->pid);



	mutex_lock(&adev->ddev->filelist_mutex);

	list_for_each_entry(file, &adev->ddev->filelist, lhead) {

		if (file->pid != pid)

			continue;



	file = filp->private_data;

	fpriv = file->driver_priv;

	idr_for_each_entry(&fpriv->ctx_mgr.ctx_handles, ctx, id)

		amdgpu_ctx_priority_override(ctx, priority);

	}

	mutex_unlock(&adev->ddev->filelist_mutex);



	put_pid(pid);



	fput(filp);