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Date: Thu, 4 Nov 2010 10:55:41 +0200 From: Baruch Siach <baruch@...s.co.il> To: linux-kernel@...r.kernel.org Cc: Baruch Siach <baruch@...s.co.il>, Andrew Morton <akpm@...ux-foundation.org> Subject: [PATCH] delay.h: add __must_check to msleep_interruptible Code calling msleep_interruptible() must be aware that sleep time might be shorter than intended as a result of a signal being caught. Code not checking the return value of msleep_interruptible() is probably buggy, unless it's doing the signal_pending() check itself, which is redundant. Cc: Andrew Morton <akpm@...ux-foundation.org> Signed-off-by: Baruch Siach <baruch@...s.co.il> --- include/linux/delay.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/linux/delay.h b/include/linux/delay.h index a6ecb34..1be4994 100644 --- a/include/linux/delay.h +++ b/include/linux/delay.h @@ -44,7 +44,7 @@ static inline void ndelay(unsigned long x) extern unsigned long lpj_fine; void calibrate_delay(void); void msleep(unsigned int msecs); -unsigned long msleep_interruptible(unsigned int msecs); +unsigned long __must_check msleep_interruptible(unsigned int msecs); void usleep_range(unsigned long min, unsigned long max); static inline void ssleep(unsigned int seconds) -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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