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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
alistair/sunxi64-5.4-dsi
Daniel Vetter 2019-05-28 11:02:46 +02:00
parent 9ef3739237
commit cd90b5fdfa
1 changed files with 1 additions and 2 deletions
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3
drivers/video/fbdev/aty/atyfb_base.c
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@ -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;