From: Shigeru Yoshida <syoshida@redhat.com>
Date: Sun, 21 Aug 2022 11:17:31 +0000 (+0900)
Subject: fbdev: fbcon: Destroy mutex on freeing struct fb_info
X-Git-Tag: v6.1-rc5~527^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=58559dfc1ebba2ae0c7627dc8f8991ae1984c6e3;p=platform%2Fkernel%2Flinux-starfive.git

fbdev: fbcon: Destroy mutex on freeing struct fb_info

It's needed to destroy bl_curve_mutex on freeing struct fb_info since
the mutex is embedded in the structure and initialized when it's
allocated.

Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index c2a60b187467..4d7f63892dcc 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -84,6 +84,10 @@ void framebuffer_release(struct fb_info *info)
 	if (WARN_ON(refcount_read(&info->count)))
 		return;
 
+#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
+	mutex_destroy(&info->bl_curve_mutex);
+#endif
+
 	kfree(info->apertures);
 	kfree(info);
 }