aboutsummaryrefslogtreecommitdiffstats
path: root/fs/proc/proc_net.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/proc/proc_net.c')
-rw-r--r--fs/proc/proc_net.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 83f357b30d71..b224a28e0c15 100644
--- 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,
51} 51}
52EXPORT_SYMBOL_GPL(seq_open_net); 52EXPORT_SYMBOL_GPL(seq_open_net);
53 53
54int single_open_net(struct inode *inode, struct file *file,
55 int (*show)(struct seq_file *, void *))
56{
57 int err;
58 struct net *net;
59
60 err = -ENXIO;
61 net = get_proc_net(inode);
62 if (net == NULL)
63 goto err_net;
64
65 err = single_open(file, show, net);
66 if (err < 0)
67 goto err_open;
68
69 return 0;
70
71err_open:
72 put_net(net);
73err_net:
74 return err;
75}
76EXPORT_SYMBOL_GPL(single_open_net);
77
54int seq_release_net(struct inode *ino, struct file *f) 78int seq_release_net(struct inode *ino, struct file *f)
55{ 79{
56 struct seq_file *seq; 80 struct seq_file *seq;
@@ -63,6 +87,14 @@ int seq_release_net(struct inode *ino, struct file *f)
63} 87}
64EXPORT_SYMBOL_GPL(seq_release_net); 88EXPORT_SYMBOL_GPL(seq_release_net);
65 89
90int single_release_net(struct inode *ino, struct file *f)
91{
92 struct seq_file *seq = f->private_data;
93 put_net(seq->private);
94 return single_release(ino, f);
95}
96EXPORT_SYMBOL_GPL(single_release_net);
97
66static struct net *get_proc_task_net(struct inode *dir) 98static struct net *get_proc_task_net(struct inode *dir)
67{ 99{
68 struct task_struct *task; 100 struct task_struct *task;