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-rw-r--r--net/core/dev.c28
-rw-r--r--net/core/dev_mcast.c26
2 files changed, 9 insertions, 45 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 0879f52115e..d0e23d8310f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2364,7 +2364,7 @@ static int dev_ifconf(struct net *net, char __user *arg)
*/
void *dev_seq_start(struct seq_file *seq, loff_t *pos)
{
- struct net *net = seq->private;
+ struct net *net = seq_file_net(seq);
loff_t off;
struct net_device *dev;
@@ -2382,7 +2382,7 @@ void *dev_seq_start(struct seq_file *seq, loff_t *pos)
void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
- struct net *net = seq->private;
+ struct net *net = seq_file_net(seq);
++*pos;
return v == SEQ_START_TOKEN ?
first_net_device(net) : next_net_device((struct net_device *)v);
@@ -2481,26 +2481,8 @@ static const struct seq_operations dev_seq_ops = {
static int dev_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int res;
- res = seq_open(file, &dev_seq_ops);
- if (!res) {
- seq = file->private_data;
- seq->private = get_proc_net(inode);
- if (!seq->private) {
- seq_release(inode, file);
- res = -ENXIO;
- }
- }
- return res;
-}
-
-static int dev_seq_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct net *net = seq->private;
- put_net(net);
- return seq_release(inode, file);
+ return seq_open_net(inode, file, &dev_seq_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations dev_seq_fops = {
@@ -2508,7 +2490,7 @@ static const struct file_operations dev_seq_fops = {
.open = dev_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = dev_seq_release,
+ .release = seq_release_net,
};
static const struct seq_operations softnet_seq_ops = {
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index 69fff16ece1..63f0b33d7ce 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -187,7 +187,7 @@ EXPORT_SYMBOL(dev_mc_unsync);
#ifdef CONFIG_PROC_FS
static void *dev_mc_seq_start(struct seq_file *seq, loff_t *pos)
{
- struct net *net = seq->private;
+ struct net *net = seq_file_net(seq);
struct net_device *dev;
loff_t off = 0;
@@ -241,26 +241,8 @@ static const struct seq_operations dev_mc_seq_ops = {
static int dev_mc_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int res;
- res = seq_open(file, &dev_mc_seq_ops);
- if (!res) {
- seq = file->private_data;
- seq->private = get_proc_net(inode);
- if (!seq->private) {
- seq_release(inode, file);
- res = -ENXIO;
- }
- }
- return res;
-}
-
-static int dev_mc_seq_release(struct inode *inode, struct file *file)
-{
- struct seq_file *seq = file->private_data;
- struct net *net = seq->private;
- put_net(net);
- return seq_release(inode, file);
+ return seq_open_net(inode, file, &dev_mc_seq_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations dev_mc_seq_fops = {
@@ -268,7 +250,7 @@ static const struct file_operations dev_mc_seq_fops = {
.open = dev_mc_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = dev_mc_seq_release,
+ .release = seq_release_net,
};
#endif