linux-kernel - [PATCH] procfs: fix the output format in /proc/PID/wchan

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Message-Id: <1542626272-29129-1-git-send-email-laoar.shao@gmail.com>
Date:   Mon, 19 Nov 2018 19:17:52 +0800
From:   Yafang Shao <laoar.shao@...il.com>
To:     adobriyan@...il.com, akpm@...ux-foundation.org,
        viro@...iv.linux.org.uk, keescook@...omium.org, orcunov@...nvz.org
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH] procfs: fix the output format in /proc/PID/wchan

Just add the missing newline.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 fs/proc/base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index ce34654..d7f49fb 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -370,11 +370,12 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
 	wchan = get_wchan(task);
 	if (wchan && !lookup_symbol_name(wchan, symname)) {
 		seq_puts(m, symname);
+		seq_putc(m, '\n');
 		return 0;
 	}
 
 print0:
-	seq_putc(m, '0');
+	seq_puts(m, "0\n");
 	return 0;
 }
 #endif /* CONFIG_KALLSYMS */
-- 
1.8.3.1