From: Kulikov Vasiliy <segooon@gmail.com>
Date: Sat, 17 Jul 2010 15:19:07 +0000 (+0400)
Subject: arm: mach-davinci: check irq2ctlr() result
X-Git-Tag: v2.6.37-rc1~122^2~1^2~34
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93fe23d8a9d95d8a85dfe2cb37cd9f220bef11b8;p=pandora-kernel.git

arm: mach-davinci: check irq2ctlr() result

If irq2ctlr() fails return IRQ_NONE.
Also as it can fail make 'ctlr' signed.

The semantic patch that finds this problem (many false-positive results):
(http://coccinelle.lip6.fr/)

// <smpl>
@ r1 @
identifier f;
@@
int f(...) { ... }

@@
identifier r1.f;
type T;
unsigned T x;
@@

*x = f(...)
 ...
*x > 0

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---

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