diff mbox series

[v2,4/8] proc: use seq_open_data() in proc_id_map_open()

Message ID 20180818132434.9515-4-linux@rasmusvillemoes.dk (mailing list archive)
State New, archived
Headers show
Series [v2,1/8] seq_file: introduce seq_open_data helper | expand

Commit Message

Rasmus Villemoes Aug. 18, 2018, 1:24 p.m. UTC 
Simplify the code slightly by using the seq_open_data helper.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
Depends on 1/8 introducing seq_open_data.

fs/proc/base.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/fs/proc/base.c b/fs/proc/base.c
index aaffc0c30216..32ed72c44412 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2747,7 +2747,6 @@  static int proc_id_map_open(struct inode *inode, struct file *file,
 {
 	struct user_namespace *ns = NULL;
 	struct task_struct *task;
-	struct seq_file *seq;
 	int ret = -EINVAL;
 
 	task = get_proc_task(inode);
@@ -2758,19 +2757,11 @@  static int proc_id_map_open(struct inode *inode, struct file *file,
 		put_task_struct(task);
 	}
 	if (!ns)
-		goto err;
+		return ret;
 
-	ret = seq_open(file, seq_ops);
+	ret = seq_open_data(file, seq_ops, ns);
 	if (ret)
-		goto err_put_ns;
-
-	seq = file->private_data;
-	seq->private = ns;
-
-	return 0;
-err_put_ns:
-	put_user_ns(ns);
-err:
+		put_user_ns(ns);
 	return ret;
 }