linux-kernel - [PATCH] fbdev: Wrong test on unsigned in fb_set_user

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Date:	Tue, 20 Oct 2009 21:30:38 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fbdev-devel@...ts.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] fbdev: Wrong test on unsigned in fb_set_user_cmap()?

struct fb_cmap_user member start is unsigned.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
Is this required?

diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
index f53b9f1..f46f05f 100644
--- a/drivers/video/fbcmap.c
+++ b/drivers/video/fbcmap.c
@@ -266,7 +266,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
 		rc = -ENODEV;
 		goto out;
 	}
-	if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
+	if ((int)cmap->start < 0 || (!info->fbops->fb_setcolreg &&
 				!info->fbops->fb_setcmap)) {
 		rc = -EINVAL;
 		goto out1;
--
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