linux-kernel - [PATCH 20/24] jrcu: bugfix: process all tokens

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Date:	Thu, 24 Mar 2011 13:48:04 -0400
From:	Joe Korty <joe.korty@...r.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	fweisbec@...il.com, peterz@...radead.org, laijs@...fujitsu.com,
	mathieu.desnoyers@...icios.com, dhowells@...hat.com,
	loic.minier@...aro.org, dhaval.giani@...il.com, tglx@...utronix.de,
	josh@...htriplett.org, houston.jim@...cast.net,
	andi@...stfloor.org, linux-kernel@...r.kernel.org
Subject: [PATCH 20/24] jrcu: bugfix: process all tokens

jrcu: process all tokens written to debugfs file rcudata,
not just the first one.

Signed-off-by: Joe Korty <joe.korty@...r.com>

Index: b/kernel/jrcu.c
===================================================================
--- a/kernel/jrcu.c
+++ b/kernel/jrcu.c
@@ -659,6 +659,7 @@ static ssize_t rcu_debugfs_write(struct 
 	if (__get_user(c, &buffer[i++]))
 		return -EFAULT;
 
+next:
 	/* Token extractor -- first, skip leading whitepace */
 	while (c && isspace(c) && i < count) {
 		if (__get_user(c, &buffer[i++]))
@@ -693,8 +694,7 @@ static ssize_t rcu_debugfs_write(struct 
 		rcu_wdog_lim = wdog * USEC_PER_SEC;
 	} else
 		return -EINVAL;
-
-	return count;
+	goto next;
 }
 
 static int rcu_debugfs_open(struct inode *inode, struct file *file)
--
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