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(parent: 85b8307) | patch
arm: mach-davinci: check irq2ctlr() result
authorKulikov Vasiliy <segooon@gmail.com>
Sat, 17 Jul 2010 15:19:07 +0000 (19:19 +0400)
committerKevin Hilman <khilman@deeprootsystems.com>
Fri, 24 Sep 2010 14:40:25 +0000 (07:40 -0700)
commit93fe23d8a9d95d8a85dfe2cb37cd9f220bef11b8
treea253cfb59f9f5c602bed645b02a4fe3fa0de2e8btree | snapshot (tar.gz zip)
parent85b8307fd03badbff0da5a75776c62cb45ee6551commit | diff
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>
arch/arm/mach-davinci/dma.c diff | blob | blame | history