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-rw-r--r--drivers/video/fbdev/core/fbcon.c31
-rw-r--r--drivers/video/fbdev/core/fbmem.c4
-rw-r--r--include/linux/fb.h4
3 files changed, 16 insertions, 23 deletions
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 5fb156bdcf4e..e30d3a138c97 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2234,8 +2234,8 @@ static int fbcon_switch(struct vc_data *vc)
*
* info->currcon = vc->vc_num;
*/
- for (i = 0; i < FB_MAX; i++) {
- if (registered_fb[i] != NULL && registered_fb[i]->fbcon_par) {
+ for_each_registered_fb(i) {
+ if (registered_fb[i]->fbcon_par) {
struct fbcon_ops *o = registered_fb[i]->fbcon_par;
o->currcon = vc->vc_num;
@@ -3124,11 +3124,9 @@ static int fbcon_fb_unregistered(struct fb_info *info)
if (idx == info_idx) {
info_idx = -1;
- for (i = 0; i < FB_MAX; i++) {
- if (registered_fb[i] != NULL) {
- info_idx = i;
- break;
- }
+ for_each_registered_fb(i) {
+ info_idx = i;
+ break;
}
}
@@ -3609,10 +3607,8 @@ static int fbcon_output_notifier(struct notifier_block *nb,
deferred_takeover = false;
logo_shown = FBCON_LOGO_DONTSHOW;
- for (i = 0; i < FB_MAX; i++) {
- if (registered_fb[i])
- fbcon_fb_registered(registered_fb[i]);
- }
+ for_each_registered_fb(i)
+ fbcon_fb_registered(registered_fb[i]);
return NOTIFY_OK;
}
@@ -3638,11 +3634,9 @@ static void fbcon_start(void)
console_lock();
- for (i = 0; i < FB_MAX; i++) {
- if (registered_fb[i] != NULL) {
- info_idx = i;
- break;
- }
+ for_each_registered_fb(i) {
+ info_idx = i;
+ break;
}
do_fbcon_takeover(0);
@@ -3669,15 +3663,12 @@ static void fbcon_exit(void)
kfree((void *)softback_buf);
softback_buf = 0UL;
- for (i = 0; i < FB_MAX; i++) {
+ for_each_registered_fb(i) {
int pending = 0;
mapped = 0;
info = registered_fb[i];
- if (info == NULL)
- continue;
-
if (info->queue.func)
pending = cancel_work_sync(&info->queue);
DPRINTK("fbcon: %s pending work\n", (pending ? "canceled" :
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 609438d2465b..645c6ac932d6 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1593,10 +1593,8 @@ static int do_remove_conflicting_framebuffers(struct apertures_struct *a,
int i, ret;
/* check all firmware fbs and kick off if the base addr overlaps */
- for (i = 0 ; i < FB_MAX; i++) {
+ for_each_registered_fb(i) {
struct apertures_struct *gen_aper;
- if (!registered_fb[i])
- continue;
if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE))
continue;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index aa74a228bb92..fd31e6f24b8d 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -650,6 +650,10 @@ extern struct fb_info *registered_fb[FB_MAX];
extern int num_registered_fb;
extern struct class *fb_class;
+#define for_each_registered_fb(i) \
+ for (i = 0; i < FB_MAX; i++) \
+ if (!registered_fb[i]) {} else
+
extern int lock_fb_info(struct fb_info *info);
static inline void unlock_fb_info(struct fb_info *info)