linux-kernel - [tip:timers/core] posix-timers: Define nanosleep not supported error separate

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Date:	Wed, 2 Feb 2011 21:55:18 GMT
From:	tip-bot for Thomas Gleixner <tglx@...utronix.de>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	johnstul@...ibm.com, tglx@...utronix.de, richard.cochran@...cron.at
Subject: [tip:timers/core] posix-timers: Define nanosleep not supported error separate

Commit-ID:  65da528d7cc94966cf24d2a1e0837b689159b543
Gitweb:     http://git.kernel.org/tip/65da528d7cc94966cf24d2a1e0837b689159b543
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 1 Feb 2011 13:51:01 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 2 Feb 2011 15:28:11 +0100

posix-timers: Define nanosleep not supported error separate

Define the conditional nanosleep not supported error value outside of
do_posix_clock_nonanosleep(). Preparatory patch for further cleanups. 

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: John Stultz <johnstul@...ibm.com>
Tested-by: Richard Cochran <richard.cochran@...cron.at>
LKML-Reference: <20110201134417.643486574@...utronix.de>
---
 kernel/posix-timers.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 21b7ca2..89bff37 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -81,6 +81,14 @@ static DEFINE_SPINLOCK(idr_lock);
 #error "SIGEV_THREAD_ID must not share bit with other SIGEV values!"
 #endif
 
+/*
+ * parisc wants ENOTSUP instead of EOPNOTSUPP
+ */
+#ifndef ENOTSUP
+# define ENANOSLEEP_NOTSUP EOPNOTSUPP
+#else
+# define ENANOSLEEP_NOTSUP ENOTSUP
+#endif
 
 /*
  * The timer ID is turned into a timer address by idr_find().
@@ -937,11 +945,7 @@ EXPORT_SYMBOL_GPL(do_posix_clock_nosettime);
 int do_posix_clock_nonanosleep(const clockid_t clock, int flags,
 			       struct timespec *t, struct timespec __user *r)
 {
-#ifndef ENOTSUP
-	return -EOPNOTSUPP;	/* aka ENOTSUP in userland for POSIX */
-#else  /*  parisc does define it separately.  */
-	return -ENOTSUP;
-#endif
+	return -ENANOSLEEP_NOTSUP;
 }
 EXPORT_SYMBOL_GPL(do_posix_clock_nonanosleep);
 
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