[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <1434632512-128161-1-git-send-email-marcinch7@gmail.com>
Date: Thu, 18 Jun 2015 15:01:52 +0200
From: Marcin Chojnacki <marcinch7@...il.com>
To: plagnioj@...osoft.com
Cc: tomi.valkeinen@...com, linux-fbdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
Marcin Chojnacki <marcinch7@...il.com>
Subject: [PATCH] fbdev: remove unnecessary memset in vfb
In vfb_probe memory is allocated using rvmalloc which automatically
sets the allocated memory to zero. This patch removes the second
unnecessary memset in vfb_probe.
Signed-off-by: Marcin Chojnacki <marcinch7@...il.com>
---
drivers/video/fbdev/vfb.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/video/fbdev/vfb.c b/drivers/video/fbdev/vfb.c
index 70a897b..b2d38b7 100644
--- a/drivers/video/fbdev/vfb.c
+++ b/drivers/video/fbdev/vfb.c
@@ -490,14 +490,6 @@ static int vfb_probe(struct platform_device *dev)
if (!(videomemory = rvmalloc(videomemorysize)))
return retval;
- /*
- * VFB must clear memory to prevent kernel info
- * leakage into userspace
- * VGA-based drivers MUST NOT clear memory if
- * they want to be able to take over vgacon
- */
- memset(videomemory, 0, videomemorysize);
-
info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev);
if (!info)
goto err;
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists