linux-kernel - [PATCH] KFIFO: kfifo_is_{full,empty} should return bools, not ints.

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Date:	Sun, 14 Mar 2010 10:46:54 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...shcourse.ca>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
cc:	stefani@...bold.net
Subject: [PATCH] KFIFO:  kfifo_is_{full,empty} should return bools, not
 ints.


For consistency with other kfifo routines, return bool, not int.

Signed-off-by: Robert P. J. Day <rpjday@...shcourse.ca>

---

diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index bc0fc79..d6af6df 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -172,7 +172,7 @@ static inline unsigned int kfifo_len(struct kfifo *fifo)
  * kfifo_is_empty - returns true if the fifo is empty
  * @fifo: the fifo to be used.
  */
-static inline __must_check int kfifo_is_empty(struct kfifo *fifo)
+static inline __must_check bool kfifo_is_empty(struct kfifo *fifo)
 {
 	return fifo->in == fifo->out;
 }
@@ -181,7 +181,7 @@ static inline __must_check int kfifo_is_empty(struct kfifo *fifo)
  * kfifo_is_full - returns true if the fifo is full
  * @fifo: the fifo to be used.
  */
-static inline __must_check int kfifo_is_full(struct kfifo *fifo)
+static inline __must_check bool kfifo_is_full(struct kfifo *fifo)
 {
 	return kfifo_len(fifo) == kfifo_size(fifo);
 }


rday
--

========================================================================
Robert P. J. Day                               Waterloo, Ontario, CANADA

            Linux Consulting, Training and Kernel Pedantry.

Web page:                                          http://crashcourse.ca
Twitter:                                       http://twitter.com/rpjday
========================================================================
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