From: Dan Carpenter <error27@gmail.com>
Date: Tue, 27 Apr 2010 21:12:03 +0000 (-0700)
Subject: gpio: potential null dereference
X-Git-Tag: v2.6.34-rc7~41^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3913fd5ed42c990c20036ef5c90e7987a9dd1ad1;p=pandora-kernel.git

gpio: potential null dereference

Smatch found a potential null dereference in gpio_setup_irq().  The
"pdesc" variable is allocated with idr_find() that can return NULL.  If
gpio_setup_irq() is called with 0 as gpio_flags and "pdesc" is null, it
would OOPs here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

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