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Date: Fri, 19 Sep 2014 02:01:29 -0700 From: Omar Sandoval <osandov@...ndov.com> To: Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>, linux-btrfs@...r.kernel.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Josh Triplett <josh@...htriplett.org>, Steven Rostedt <rostedt@...dmis.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Lai Jiangshan <laijs@...fujitsu.com>, linux-kernel@...r.kernel.org Subject: [PATCH v2 1/2] Return a value from printk_ratelimited printk returns an integer; there's no reason for printk_ratelimited to swallow it. Signed-off-by: Omar Sandoval <osandov@...ndov.com> --- include/linux/printk.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/printk.h b/include/linux/printk.h index d78125f..67534bc 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -343,12 +343,14 @@ extern asmlinkage void dump_stack(void) __cold; #ifdef CONFIG_PRINTK #define printk_ratelimited(fmt, ...) \ ({ \ + int __ret = 0; \ static DEFINE_RATELIMIT_STATE(_rs, \ DEFAULT_RATELIMIT_INTERVAL, \ DEFAULT_RATELIMIT_BURST); \ \ if (__ratelimit(&_rs)) \ - printk(fmt, ##__VA_ARGS__); \ + __ret = printk(fmt, ##__VA_ARGS__); \ + __ret; \ }) #else #define printk_ratelimited(fmt, ...) \ -- 2.1.0 -- 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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