From b6fcbdb4f283f7ba67cec3cda6be23da8e959031 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:07:44 -0700 Subject: [PATCH] proc: consolidate per-net single-release callers They are symmetrical to single_open ones :) Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- fs/proc/proc_net.c | 8 ++++++++ include/linux/seq_file_net.h | 1 + net/ipv4/fib_trie.c | 9 +-------- net/ipv4/proc.c | 30 +++--------------------------- net/ipv6/proc.c | 10 +--------- net/ipv6/route.c | 20 ++------------------ 6 files changed, 16 insertions(+), 62 deletions(-) diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index ab232ad2e6f..b224a28e0c1 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -87,6 +87,14 @@ int seq_release_net(struct inode *ino, struct file *f) } EXPORT_SYMBOL_GPL(seq_release_net); +int single_release_net(struct inode *ino, struct file *f) +{ + struct seq_file *seq = f->private_data; + put_net(seq->private); + return single_release(ino, f); +} +EXPORT_SYMBOL_GPL(single_release_net); + static struct net *get_proc_task_net(struct inode *dir) { struct task_struct *task; diff --git a/include/linux/seq_file_net.h b/include/linux/seq_file_net.h index 87dcc0ecf6e..32c89bbe24a 100644 --- a/include/linux/seq_file_net.h +++ b/include/linux/seq_file_net.h @@ -17,6 +17,7 @@ int seq_open_net(struct inode *, struct file *, int single_open_net(struct inode *, struct file *file, int (*show)(struct seq_file *, void *)); int seq_release_net(struct inode *, struct file *); +int single_release_net(struct inode *, struct file *); static inline struct net *seq_file_net(struct seq_file *seq) { #ifdef CONFIG_NET_NS diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 6009df238ed..5cb72786a8a 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2254,19 +2254,12 @@ static int fib_triestat_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, fib_triestat_seq_show); } -static int fib_triestat_seq_release(struct inode *ino, struct file *f) -{ - struct seq_file *seq = f->private_data; - put_net(seq->private); - return single_release(ino, f); -} - static const struct file_operations fib_triestat_fops = { .owner = THIS_MODULE, .open = fib_triestat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = fib_triestat_seq_release, + .release = single_release_net, }; static struct node *fib_trie_get_idx(struct seq_file *seq, loff_t pos) diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index daf5d3c80ce..834356ea99d 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -74,20 +74,12 @@ static int sockstat_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, sockstat_seq_show); } -static int sockstat_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations sockstat_seq_fops = { .owner = THIS_MODULE, .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = sockstat_seq_release, + .release = single_release_net, }; /* snmp items */ @@ -383,20 +375,12 @@ static int snmp_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, snmp_seq_show); } -static int snmp_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations snmp_seq_fops = { .owner = THIS_MODULE, .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = snmp_seq_release, + .release = single_release_net, }; @@ -438,20 +422,12 @@ static int netstat_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, netstat_seq_show); } -static int netstat_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations netstat_seq_fops = { .owner = THIS_MODULE, .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = netstat_seq_release, + .release = single_release_net, }; static __net_init int ip_proc_init_net(struct net *net) diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index 29c5a79444c..70940b3654a 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -186,20 +186,12 @@ static int sockstat6_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, sockstat6_seq_show); } -static int sockstat6_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations sockstat6_seq_fops = { .owner = THIS_MODULE, .open = sockstat6_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = sockstat6_seq_release, + .release = single_release_net, }; static int snmp6_seq_open(struct inode *inode, struct file *file) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index fb7ff8f0c6d..cb8a51271b6 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2419,20 +2419,12 @@ static int ipv6_route_open(struct inode *inode, struct file *file) return single_open_net(inode, file, ipv6_route_show); } -static int ipv6_route_release(struct inode *inode, struct file *file) -{ - struct seq_file *seq = file->private_data; - struct net *net = seq->private; - put_net(net); - return single_release(inode, file); -} - static const struct file_operations ipv6_route_proc_fops = { .owner = THIS_MODULE, .open = ipv6_route_open, .read = seq_read, .llseek = seq_lseek, - .release = ipv6_route_release, + .release = single_release_net, }; static int rt6_stats_seq_show(struct seq_file *seq, void *v) @@ -2455,20 +2447,12 @@ static int rt6_stats_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, rt6_stats_seq_show); } -static int rt6_stats_seq_release(struct inode *inode, struct file *file) -{ - struct seq_file *seq = file->private_data; - struct net *net = (struct net *)seq->private; - put_net(net); - return single_release(inode, file); -} - static const struct file_operations rt6_stats_seq_fops = { .owner = THIS_MODULE, .open = rt6_stats_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = rt6_stats_seq_release, + .release = single_release_net, }; #endif /* CONFIG_PROC_FS */ -- 2.41.1