x86/irq: Fix kbuild warning in smp_irq_move_cleanup_interrupt()
authorPrarit Bhargava <prarit@redhat.com>
Mon, 13 Jan 2014 13:40:20 +0000 (08:40 -0500)
committerIngo Molnar <mingo@kernel.org>
Mon, 13 Jan 2014 14:08:37 +0000 (15:08 +0100)
commitc7a730fa4624092e2d1c0cb7b750816e87c32364
tree2e9fab2c55f037b86701fb019b44842099d0566e
parent9345005f4eed805308193658d12e4e7e9c261e74
x86/irq: Fix kbuild warning in smp_irq_move_cleanup_interrupt()

Fengguang Wu's 0day kernel build service reported the following build warning:

  arch/x86/kernel/apic/io_apic.c:2211
  smp_irq_move_cleanup_interrupt() warn: always true condition '(irq <= -1) => (0-u32max <= (-1))'

because irq is defined as an unsigned int instead of an int.
Fix this trivial error by redefining irq as a signed int.  The
remaining consumers of the int are okay.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Link: http://lkml.kernel.org/r/1389620420-7110-1-git-send-email-prarit@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/apic/io_apic.c