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authorDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
commit6be325719b3e54624397e413efd4b33a997e55a3 (patch)
tree57f321a56794cab2222e179b16731e0d76a4a68a /net/dccp
parent26d92f9276a56d55511a427fb70bd70886af647a (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
downloadlinux-6be325719b3e54624397e413efd4b33a997e55a3.tar.gz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/probe.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 6fcfe8745043..bace1d8cbcfd 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -43,7 +43,7 @@ static int bufsize = 64 * 1024;
 static const char procname[] = "dccpprobe";
 
 static struct {
-	struct kfifo	  *fifo;
+	struct kfifo	  fifo;
 	spinlock_t	  lock;
 	wait_queue_head_t wait;
 	struct timespec	  tstart;
@@ -67,7 +67,7 @@ static void printl(const char *fmt, ...)
 	len += vscnprintf(tbuf+len, sizeof(tbuf)-len, fmt, args);
 	va_end(args);
 
-	kfifo_put(dccpw.fifo, tbuf, len);
+	kfifo_in_locked(&dccpw.fifo, tbuf, len, &dccpw.lock);
 	wake_up(&dccpw.wait);
 }
 
@@ -109,7 +109,7 @@ static struct jprobe dccp_send_probe = {
 
 static int dccpprobe_open(struct inode *inode, struct file *file)
 {
-	kfifo_reset(dccpw.fifo);
+	kfifo_reset(&dccpw.fifo);
 	getnstimeofday(&dccpw.tstart);
 	return 0;
 }
@@ -131,11 +131,11 @@ static ssize_t dccpprobe_read(struct file *file, char __user *buf,
 		return -ENOMEM;
 
 	error = wait_event_interruptible(dccpw.wait,
-					 __kfifo_len(dccpw.fifo) != 0);
+					 kfifo_len(&dccpw.fifo) != 0);
 	if (error)
 		goto out_free;
 
-	cnt = kfifo_get(dccpw.fifo, tbuf, len);
+	cnt = kfifo_out_locked(&dccpw.fifo, tbuf, len, &dccpw.lock);
 	error = copy_to_user(buf, tbuf, cnt) ? -EFAULT : 0;
 
 out_free:
@@ -156,10 +156,8 @@ static __init int dccpprobe_init(void)
 
 	init_waitqueue_head(&dccpw.wait);
 	spin_lock_init(&dccpw.lock);
-	dccpw.fifo = kfifo_alloc(bufsize, GFP_KERNEL, &dccpw.lock);
-	if (IS_ERR(dccpw.fifo))
-		return PTR_ERR(dccpw.fifo);
-
+	if (kfifo_alloc(&dccpw.fifo, bufsize, GFP_KERNEL))
+		return ret;
 	if (!proc_net_fops_create(&init_net, procname, S_IRUSR, &dccpprobe_fops))
 		goto err0;
 
@@ -173,14 +171,14 @@ static __init int dccpprobe_init(void)
 err1:
 	proc_net_remove(&init_net, procname);
 err0:
-	kfifo_free(dccpw.fifo);
+	kfifo_free(&dccpw.fifo);
 	return ret;
 }
 module_init(dccpprobe_init);
 
 static __exit void dccpprobe_exit(void)
 {
-	kfifo_free(dccpw.fifo);
+	kfifo_free(&dccpw.fifo);
 	proc_net_remove(&init_net, procname);
 	unregister_jprobe(&dccp_send_probe);