proc: consolidate per-net single_open callers

[pandora-kernel.git] / fs / proc / proc_net.c

diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 83f357b..ab232ad 100644 (file)
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -51,6 +51,30 @@ int seq_open_net(struct inode *ino, struct file *f,
 }
 EXPORT_SYMBOL_GPL(seq_open_net);
 
+int single_open_net(struct inode *inode, struct file *file,
+               int (*show)(struct seq_file *, void *))
+{
+       int err;
+       struct net *net;
+
+       err = -ENXIO;
+       net = get_proc_net(inode);
+       if (net == NULL)
+               goto err_net;
+
+       err = single_open(file, show, net);
+       if (err < 0)
+               goto err_open;
+
+       return 0;
+
+err_open:
+       put_net(net);
+err_net:
+       return err;
+}
+EXPORT_SYMBOL_GPL(single_open_net);
+
 int seq_release_net(struct inode *ino, struct file *f)
 {
        struct seq_file *seq;