linux-kernel - [2.6 patch] drm_rmmap_ioctl(): remove dead code

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Date:	Mon, 23 Jul 2007 10:00:51 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	airlied@...ux.ie
Cc:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [2.6 patch] drm_rmmap_ioctl(): remove dead code

This patch removes some obviously dead code spotted by the Coverity 
checker.

Signed-off-by: Adrian Bunk <bunk@...sta.de>

---
--- linux-2.6.22-rc6-mm1/drivers/char/drm/drm_bufs.c.old	2007-07-23 01:09:04.000000000 +0200
+++ linux-2.6.22-rc6-mm1/drivers/char/drm/drm_bufs.c	2007-07-23 01:09:22.000000000 +0200
@@ -476,15 +476,10 @@ int drm_rmmap_ioctl(struct inode *inode,
 	if (list_empty(&dev->maplist) || !map) {
 		mutex_unlock(&dev->struct_mutex);
 		return -EINVAL;
 	}
 
-	if (!map) {
-		mutex_unlock(&dev->struct_mutex);
-		return -EINVAL;
-	}
-
 	/* Register and framebuffer maps are permanent */
 	if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
 		mutex_unlock(&dev->struct_mutex);
 		return 0;
 	}

-
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