From 8f96c95680bfe66ff00c91859d4c73edf539b854 Mon Sep 17 00:00:00 2001
From: "KAMBAROV, ZAUR" <kambarov@berkeley.edu>
Date: Thu, 7 Jul 2005 17:57:05 -0700
Subject: [PATCH] [PATCH] coverity: fix fbsysfs null pointer check

Correctly test for a null pointer before going and dereferencing it.

This defect was found automatically by Coverity Prevent, a static analysis
tool.

Signed-off-by: Zaur Kambarov <zkambarov@coverity.com>
Cc: <linux-fbdev-devel@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/video/fbsysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index 7dfbf39b4ed3..ddc9443254d9 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -256,7 +256,7 @@ static ssize_t show_cmap(struct class_device *class_device, char *buf)
 	unsigned int offset = 0, i;
 
 	if (!fb_info->cmap.red || !fb_info->cmap.blue ||
-	    fb_info->cmap.green || fb_info->cmap.transp)
+	    !fb_info->cmap.green || !fb_info->cmap.transp)
 		return -EINVAL;
 
 	for (i = 0; i < fb_info->cmap.len; i++) {
-- 
2.39.5