[ATM]: Use seq_open/release_privade instead of manual manipulations.

lec_seq_open/lec_seq_release and __vcc_seq_open/vcc_seq_release
do seq_open/release_private's job.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 9 insertions, 52 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index 0e450d12f035..e2d800d818e3 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1169,32 +1169,7 @@ static const struct seq_operations lec_seq_ops = {
 
 static int lec_seq_open(struct inode *inode, struct file *file)
 {
-        struct lec_state *state;
-        struct seq_file *seq;
-        int rc = -EAGAIN;
-
-        state = kmalloc(sizeof(*state), GFP_KERNEL);
-        if (!state) {
-                rc = -ENOMEM;
-                goto out;
-        }
-
-        rc = seq_open(file, &lec_seq_ops);
-        if (rc)
-                goto out_kfree;
-        seq = file->private_data;
-        seq->private = state;
-out:
-        return rc;
-
-out_kfree:
-        kfree(state);
-        goto out;
-}
-
-static int lec_seq_release(struct inode *inode, struct file *file)
-{
-        return seq_release_private(inode, file);
+        return seq_open_private(file, &lec_seq_ops, sizeof(struct lec_state));
 }
 
 static const struct file_operations lec_seq_fops = {
@@ -1202,7 +1177,7 @@ static const struct file_operations lec_seq_fops = {
         .open = lec_seq_open,
         .read = seq_read,
         .llseek = seq_lseek,
-        .release = lec_seq_release,
+        .release = seq_release_private,
 };
 #endif
 
diff --git a/net/atm/proc.c b/net/atm/proc.c
index e9693aed7ef8..b995b66b5585 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -114,31 +114,13 @@ static int __vcc_seq_open(struct inode *inode, struct file *file,
         int family, const struct seq_operations *ops)
 {
         struct vcc_state *state;
-        struct seq_file *seq;
-        int rc = -ENOMEM;
 
-        state = kmalloc(sizeof(*state), GFP_KERNEL);
-        if (!state)
-                goto out;
-
-        rc = seq_open(file, ops);
-        if (rc)
-                goto out_kfree;
+        state = __seq_open_private(file, ops, sizeof(*state));
+        if (state == NULL)
+                return -ENOMEM;
 
         state->family = family;
-
-        seq = file->private_data;
-        seq->private = state;
-out:
-        return rc;
-out_kfree:
-        kfree(state);
-        goto out;
-}
-
-static int vcc_seq_release(struct inode *inode, struct file *file)
-{
-        return seq_release_private(inode, file);
+        return 0;
 }
 
 static void *vcc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -314,7 +296,7 @@ static const struct file_operations pvc_seq_fops = {
         .open           = pvc_seq_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
-        .release        = vcc_seq_release,
+        .release        = seq_release_private,
 };
 
 static int vcc_seq_show(struct seq_file *seq, void *v)
@@ -348,7 +330,7 @@ static const struct file_operations vcc_seq_fops = {
         .open           = vcc_seq_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
-        .release        = vcc_seq_release,
+        .release        = seq_release_private,
 };
 
 static int svc_seq_show(struct seq_file *seq, void *v)
@@ -383,7 +365,7 @@ static const struct file_operations svc_seq_fops = {
         .open           = svc_seq_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
-        .release        = vcc_seq_release,
+        .release        = seq_release_private,
 };
 
 static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,