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-rw-r--r--drivers/video/fbmem.c11
-rw-r--r--include/linux/fb.h10
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index b64f061..2ac32e6 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -46,6 +46,17 @@
struct fb_info *registered_fb[FB_MAX] __read_mostly;
int num_registered_fb __read_mostly;
+int lock_fb_info(struct fb_info *info)
+{
+ mutex_lock(&info->lock);
+ if (!info->fbops) {
+ mutex_unlock(&info->lock);
+ return 0;
+ }
+ return 1;
+}
+EXPORT_SYMBOL(lock_fb_info);
+
/*
* Helpers
*/
diff --git a/include/linux/fb.h b/include/linux/fb.h
index fe7d0d7..f563c50 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -961,15 +961,7 @@ extern struct fb_info *registered_fb[FB_MAX];
extern int num_registered_fb;
extern struct class *fb_class;
-static inline int lock_fb_info(struct fb_info *info)
-{
- mutex_lock(&info->lock);
- if (!info->fbops) {
- mutex_unlock(&info->lock);
- return 0;
- }
- return 1;
-}
+extern int lock_fb_info(struct fb_info *info);
static inline void unlock_fb_info(struct fb_info *info)
{

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