From: Andrew Morton <akpm@linux-foundation.org>
Date: Mon, 28 Apr 2008 09:15:45 +0000 (-0700)
Subject: drivers/video/w100fb.c: avoid a couple of error-path NULL derefs
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8224c3b166db81a8dbd128df455453897fe2b48b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

drivers/video/w100fb.c: avoid a couple of error-path NULL derefs

Fix a couple of error-patch oopses identified by Marcio Buss in
http://bugzilla.kernel.org/show_bug.cgi?id=9567.

Cc: Marcio Buss <marciobuss@gmail.com>
Cc: Jeff Zhou <xinzhou.sjtu@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 003c49a490eb..30469bf906e5 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -765,8 +765,10 @@ int __init w100fb_probe(struct platform_device *pdev)
 	printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
 	return 0;
 out:
-	fb_dealloc_cmap(&info->cmap);
-	kfree(info->pseudo_palette);
+	if (info) {
+		fb_dealloc_cmap(&info->cmap);
+		kfree(info->pseudo_palette);
+	}
 	if (remapped_fbuf != NULL)
 		iounmap(remapped_fbuf);
 	if (remapped_regs != NULL)