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x86: Work around compilation warning in arch/x86/kernel/apm_32.c

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The following fix was initially inspired by David Howells fix
few days back:

  http://lkml.org/lkml/2009/7/9/109

However, Ingo disapproves such fixes as it's dangerous (it can
hide future, relevant warnings) - in something as
performance-uncritical.

So, initialize 'err' to '0' to work around a GCC false positive
warning:

  http://lkml.org/lkml/2009/7/18/89

Signed-off-by: Subrata Modak<subrata@linux.vnet.ibm.com>
Cc: Sachin P Sant <sachinp@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
LKML-Reference: <20090721023226.31855.67236.sendpatchset@subratamodak.linux.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Subrata Modak 2009-07-21 08:02:27 +05:30 committed by Ingo Molnar
parent 2a5ef41661
commit dc731fbbad
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/apm_32.c
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@ -811,7 +811,7 @@ static int apm_do_idle(void)
u8 ret = 0; u8 ret = 0;
int idled = 0; int idled = 0;
int polling; int polling;
int err; int err = 0;
polling = !!(current_thread_info()->status & TS_POLLING); polling = !!(current_thread_info()->status & TS_POLLING);
if (polling) { if (polling) {