Commit-ID: 94e8ba728640dc01375a14e337f3b892bfacbeeb Gitweb: http://git.kernel.org/tip/94e8ba728640dc01375a14e337f3b892bfacbeeb Author: Sergio Aguirre <saaguirre@xxxxxx> AuthorDate: Tue, 16 Nov 2010 12:02:47 -0600 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Thu, 18 Nov 2010 13:18:47 +0100 irq_work: Drop cmpxchg() result The compiler warned us about: kernel/irq_work.c: In function 'irq_work_run': kernel/irq_work.c:148: warning: value computed is not used Dropping the cmpxchg() result is indeed weird, but correct - so annotate away the warning. Signed-off-by: Sergio Aguirre <saaguirre@xxxxxx> Cc: Huang Ying <ying.huang@xxxxxxxxx> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Cc: Kyle McMartin <kyle@xxxxxxxxxxx> Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> LKML-Reference: <1289930567-17828-1-git-send-email-saaguirre@xxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/irq_work.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/kernel/irq_work.c b/kernel/irq_work.c index f16763f..90f8819 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -145,7 +145,9 @@ void irq_work_run(void) * Clear the BUSY bit and return to the free state if * no-one else claimed it meanwhile. */ - cmpxchg(&entry->next, next_flags(NULL, IRQ_WORK_BUSY), NULL); + (void)cmpxchg(&entry->next, + next_flags(NULL, IRQ_WORK_BUSY), + NULL); } } EXPORT_SYMBOL_GPL(irq_work_run); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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