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authorJovi Zhang <bookjovi@gmail.com>2011-01-12 17:00:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:16 -0800
commitc6a340584607f653e10549c76dd427d4780c8f2c (patch)
tree20e82a1dd34f4b2f7477bf02b398759ba026d772 /fs/proc
parent6d1b6e4eff89475785f60fa00f65da780f869f36 (diff)
proc: use single_open() correctly
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>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/base.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index bf6ba967cff..93f1cdd5d3d 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -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 = {