Re: [2.6 patch] arch/i386/kernel/io_apic.c: handle a negativereturn value

From: Ingo Molnar
Date: Mon Nov 13 2006 - 03:10:39 EST


On Sun, 2006-11-12 at 18:48 +0100, Adrian Bunk wrote:
> The Coverity checker noted that bad things might happen if
> find_isa_irq_apic() returned -1.
>
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

hm, it seems the checker did not notice the following:
find_isa_irq_apic() can return -1 /only/ if find_isa_irq_pin() returns
-1 too. So this is not a bug - it's rather a bit unclean code (and
adding a check for -1 apic does not make the code cleaner).

Ingo

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