netfiltr: ipt_CLUSTERIP: simplify seq_file codeA

Pass "struct clusterip_config" itself to seq_file iterators
and save one dereference. Proc entry itself isn't interesting.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 40ca2d2..0886f96 100644 (file)
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -560,8 +560,7 @@ struct clusterip_seq_position {
 
 static void *clusterip_seq_start(struct seq_file *s, loff_t *pos)
 {
-       const struct proc_dir_entry *pde = s->private;
-       struct clusterip_config *c = pde->data;
+       struct clusterip_config *c = s->private;
        unsigned int weight;
        u_int32_t local_nodes;
        struct clusterip_seq_position *idx;
@@ -632,10 +631,9 @@ static int clusterip_proc_open(struct inode *inode, struct file *file)
 
        if (!ret) {
                struct seq_file *sf = file->private_data;
-               struct proc_dir_entry *pde = PDE(inode);
-               struct clusterip_config *c = pde->data;
+               struct clusterip_config *c = PDE(inode)->data;
 
-               sf->private = pde;
+               sf->private = c;
 
                clusterip_config_get(c);
        }
@@ -645,8 +643,7 @@ static int clusterip_proc_open(struct inode *inode, struct file *file)
 
 static int clusterip_proc_release(struct inode *inode, struct file *file)
 {
-       struct proc_dir_entry *pde = PDE(inode);
-       struct clusterip_config *c = pde->data;
+       struct clusterip_config *c = PDE(inode)->data;
        int ret;
 
        ret = seq_release(inode, file);
@@ -660,10 +657,9 @@ static int clusterip_proc_release(struct inode *inode, struct file *file)
 static ssize_t clusterip_proc_write(struct file *file, const char __user *input,
                                size_t size, loff_t *ofs)
 {
+       struct clusterip_config *c = PDE(file->f_path.dentry->d_inode)->data;
 #define PROC_WRITELEN  10
        char buffer[PROC_WRITELEN+1];
-       const struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
-       struct clusterip_config *c = pde->data;
        unsigned long nodenum;
 
        if (copy_from_user(buffer, input, PROC_WRITELEN))