diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_rd.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_rd.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index d21172933d92..c7832a951039 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ /* For debugging crashes, userspace can: @@ -42,11 +31,14 @@ #ifdef CONFIG_DEBUG_FS -#include <linux/kfifo.h> -#include <linux/debugfs.h> #include <linux/circ_buf.h> +#include <linux/debugfs.h> +#include <linux/kfifo.h> +#include <linux/uaccess.h> #include <linux/wait.h> +#include <drm/drm_file.h> + #include "msm_drv.h" #include "msm_gpu.h" #include "msm_gem.h" @@ -244,8 +236,6 @@ static void rd_cleanup(struct msm_rd_state *rd) static struct msm_rd_state *rd_init(struct drm_minor *minor, const char *name) { struct msm_rd_state *rd; - struct dentry *ent; - int ret = 0; rd = kzalloc(sizeof(*rd), GFP_KERNEL); if (!rd) @@ -258,20 +248,10 @@ static struct msm_rd_state *rd_init(struct drm_minor *minor, const char *name) init_waitqueue_head(&rd->fifo_event); - ent = debugfs_create_file(name, S_IFREG | S_IRUGO, - minor->debugfs_root, rd, &rd_debugfs_fops); - if (!ent) { - DRM_ERROR("Cannot create /sys/kernel/debug/dri/%pd/%s\n", - minor->debugfs_root, name); - ret = -ENOMEM; - goto fail; - } + debugfs_create_file(name, S_IFREG | S_IRUGO, minor->debugfs_root, rd, + &rd_debugfs_fops); return rd; - -fail: - rd_cleanup(rd); - return ERR_PTR(ret); } int msm_rd_debugfs_init(struct drm_minor *minor) |