Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

[pandora-kernel.git] / drivers / gpu / drm / drm_debugfs.c

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index b9dc262..1c7a1c0 100644 (file)
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -33,6 +33,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 #include "drmP.h"
 
 #if defined(CONFIG_DEBUG_FS)
@@ -117,7 +118,10 @@ int drm_debugfs_create_files(struct drm_info_list *files, int count,
                tmp->minor = minor;
                tmp->dent = ent;
                tmp->info_ent = &files[i];
-               list_add(&(tmp->list), &(minor->debugfs_nodes.list));
+
+               mutex_lock(&minor->debugfs_lock);
+               list_add(&tmp->list, &minor->debugfs_list);
+               mutex_unlock(&minor->debugfs_lock);
        }
        return 0;
 
@@ -145,7 +149,8 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
        char name[64];
        int ret;
 
-       INIT_LIST_HEAD(&minor->debugfs_nodes.list);
+       INIT_LIST_HEAD(&minor->debugfs_list);
+       mutex_init(&minor->debugfs_lock);
        sprintf(name, "%d", minor_id);
        minor->debugfs_root = debugfs_create_dir(name, root);
        if (!minor->debugfs_root) {
@@ -191,8 +196,9 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
        struct drm_info_node *tmp;
        int i;
 
+       mutex_lock(&minor->debugfs_lock);
        for (i = 0; i < count; i++) {
-               list_for_each_safe(pos, q, &minor->debugfs_nodes.list) {
+               list_for_each_safe(pos, q, &minor->debugfs_list) {
                        tmp = list_entry(pos, struct drm_info_node, list);
                        if (tmp->info_ent == &files[i]) {
                                debugfs_remove(tmp->dent);
@@ -201,6 +207,7 @@ int drm_debugfs_remove_files(struct drm_info_list *files, int count,
                        }
                }
        }
+       mutex_unlock(&minor->debugfs_lock);
        return 0;
 }
 EXPORT_SYMBOL(drm_debugfs_remove_files);