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proc: use single_open() correctly

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single_open()'s third argument is for copying into seq_file->private.  Use
that, rather than open-coding it.

Signed-off-by: Jovi Zhang <bookjovi@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jovi Zhang 2011-01-12 17:00:34 -08:00 committed by Linus Torvalds
parent 6d1b6e4eff
commit c6a3405846
1 changed files with 3 additions and 26 deletions
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29
fs/proc/base.c
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@ -745,14 +745,7 @@ static int proc_single_show(struct seq_file *m, void *v)
static int proc_single_open(struct inode *inode, struct file *filp)
{
int ret;
ret = single_open(filp, proc_single_show, NULL);
if (!ret) {
struct seq_file *m = filp->private_data;
m->private = inode;
}
return ret;
return single_open(filp, proc_single_show, inode);
}
static const struct file_operations proc_single_file_operations = {
@ -1380,15 +1373,7 @@ sched_write(struct file *file, const char __user *buf,
static int sched_open(struct inode *inode, struct file *filp)
{
int ret;
ret = single_open(filp, sched_show, NULL);
if (!ret) {
struct seq_file *m = filp->private_data;
m->private = inode;
}
return ret;
return single_open(filp, sched_show, inode);
}
static const struct file_operations proc_pid_sched_operations = {
@ -1524,15 +1509,7 @@ static int comm_show(struct seq_file *m, void *v)
static int comm_open(struct inode *inode, struct file *filp)
{
int ret;
ret = single_open(filp, comm_show, NULL);
if (!ret) {
struct seq_file *m = filp->private_data;
m->private = inode;
}
return ret;
return single_open(filp, comm_show, inode);
}
static const struct file_operations proc_pid_set_comm_operations = {