From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 28 May 2019 09:02:46 +0000 (+0200)
Subject: fbdev/atyfb: lock_fb_info can't fail
X-Git-Tag: v5.15~6020^2~6^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cd90b5fdfad5b1c41f3a87fd3a928f574bc60933;p=platform%2Fkernel%2Flinux-starfive.git

fbdev/atyfb: lock_fb_info can't fail

It's properly protected by reboot_lock.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "Ville Syrjälä" <syrjala@sci.fi>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528090304.9388-16-daniel.vetter@ffwll.ch
---

diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index b6fe103..eebb62d8 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -3916,8 +3916,7 @@ static int atyfb_reboot_notify(struct notifier_block *nb,
 	if (!reboot_info)
 		goto out;
 
-	if (!lock_fb_info(reboot_info))
-		goto out;
+	lock_fb_info(reboot_info);
 
 	par = reboot_info->par;