Re: [Qemu-devel] [PATCH for 1.4] target-s390x: Fix wrong comparison in interrupt handling

2013-02-04 Thread Cornelia Huck
On Sun,  3 Feb 2013 21:33:16 +0100
Stefan Weil s...@weilnetz.de wrote:

 gcc with -Wextra complains about an ordered pointer comparison:
 
 target-s390x/helper.c:660:27: warning:
  ordered comparison of pointer with integer zero [-Wextra]
 
 Obviously the index was missing in the code.
 
 Signed-off-by: Stefan Weil s...@weilnetz.de
 ---
 
 I hope my analysis and the fix is correct - please review.
 
 For local builds, I always compile with -Wextra. This bug shows that -Wextra
 would be good as a default compiler option for QEMU. Of course some extra
 warnings must be explicitly disabled then. I'll send a patch for this after 
 1.4.
 
 Regards,
 
 Stefan W.
 
 
  target-s390x/helper.c |2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/target-s390x/helper.c b/target-s390x/helper.c
 index 3180b90..8bd84ef 100644
 --- a/target-s390x/helper.c
 +++ b/target-s390x/helper.c
 @@ -657,7 +657,7 @@ static void do_io_interrupt(CPUS390XState *env)
  cpu_unmap_lowcore(lowcore);
 
  env-io_index[isc]--;
 -if (env-io_index = 0) {
 +if (env-io_index[isc] = 0) {
  disable = 0;
  }
  break;

Oops, obvious bug when you look at it :)

Acked-by: Cornelia Huck cornelia.h...@de.ibm.com




Re: [Qemu-devel] [PATCH for 1.4] target-s390x: Fix wrong comparison in interrupt handling

2013-02-04 Thread Anthony Liguori
Applied.  Thanks.

Regards,

Anthony Liguori