arm: mach-davinci: check irq2ctlr() result

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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>

...

This commit is contained in:

Kulikov Vasiliy 2010-07-17 19:19:07 +04:00 • committed by Kevin Hilman

parent 85b8307fd0

commit 93fe23d8a9

1 changed files with 6 additions and 2 deletions

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8

arch/arm/mach-davinci/dma.c

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