Re: [PATCH] proc: show locks in /proc/pid/fdinfo/X

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On Thu, 12 Mar 2015 18:54:42 +0300 Andrew Vagin <avagin@xxxxxxxxxxxxx> wrote:

> v2: use seq_has_overflowed() properly

--- a/fs/proc/fd.c~proc-show-locks-in-proc-pid-fdinfo-x-v2
+++ a/fs/proc/fd.c
@@ -57,17 +57,15 @@ static int seq_show(struct seq_file *m,
 		   real_mount(file->f_path.mnt)->mnt_id);
 
 	show_fd_locks(m, file, files);
-	ret = seq_has_overflowed(m);
-	if (ret)
+	if (seq_has_overflowed(m))
 		goto out;
 
 	if (file->f_op->show_fdinfo)
 		file->f_op->show_fdinfo(m, file);
-	ret = seq_has_overflowed(m);
 
 out:
 	fput(file);
-	return ret;
+	return 0;
 }
 
 static int seq_fdinfo_open(struct inode *inode, struct file *file)


So it returns "success" when the output has overflowed?  Why this,
rather than returning an error?

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