From: Julia Lawall <julia@diku.dk>
Date: Tue, 9 Feb 2010 06:44:18 +0000 (-0800)
Subject: drivers/net: Correct NULL test
X-Git-Tag: v2.6.33-rc8~34^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bcf4d812e66ee95f762b38063d654fd1ff7156b0;p=pandora-kernel.git

drivers/net: Correct NULL test

Test the value that was just allocated rather than the previously tested one.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
expression *x;
expression e;
identifier l;
@@

if (x == NULL || ...) {
    ... when forall
    return ...; }
... when != goto l;
    when != x = e
    when != &x
*x == NULL
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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