linux-kernel - net: clear heap allocation for ethtool_get

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Message-ID: <20110125044910.GB8117@infradead.org>
Date:	Tue, 25 Jan 2011 12:49:10 +0800
From:	Eugene Teo <eugeneteo@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Kees Cook <kees.cook@...onical.com>,
	Ben Hutchings <bhutchings@...arflare.com>
Subject: net: clear heap allocation for ethtool_get_regs()

There is a conflict between commit b00916b1 and a77f5db3. This patch resolves
the conflict by clearing the heap allocation in ethtool_get_regs().

Cc: stable@...nel.org
Signed-off-by: Eugene Teo <eugeneteo@...nel.org>

diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 1774178..ff23029 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -817,7 +817,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
 	if (regs.len > reglen)
 		regs.len = reglen;
 
-	regbuf = vmalloc(reglen);
+	regbuf = vzalloc(reglen);
 	if (!regbuf)
 		return -ENOMEM;
 
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