linux-kernel - [PATCH 2/4] samples/jprobe: convert the printk to pr_info/pr

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Date:	Wed, 25 May 2016 10:24:41 +0800
From:	Huang Shijie <shijie.huang@....com>
To:	<akpm@...ux-foundation.org>
CC:	<pmladek@...e.com>, <linux-kernel@...r.kernel.org>, <nd@....com>,
	<steve.capper@....com>, Huang Shijie <shijie.huang@....com>
Subject: [PATCH 2/4] samples/jprobe: convert the printk to pr_info/pr_err

We prefer to use the pr_* to print out the log now, this patch converts
the printk to pr_info. In the error path, use the pr_err to replace the
printk.

Signed-off-by: Huang Shijie <shijie.huang@....com>
---
 samples/kprobes/jprobe_example.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/samples/kprobes/jprobe_example.c b/samples/kprobes/jprobe_example.c
index c3108bb..e3c0a40 100644
--- a/samples/kprobes/jprobe_example.c
+++ b/samples/kprobes/jprobe_example.c
@@ -48,10 +48,10 @@ static int __init jprobe_init(void)
 
 	ret = register_jprobe(&my_jprobe);
 	if (ret < 0) {
-		printk(KERN_INFO "register_jprobe failed, returned %d\n", ret);
+		pr_err("register_jprobe failed, returned %d\n", ret);
 		return -1;
 	}
-	printk(KERN_INFO "Planted jprobe at %p, handler addr %p\n",
+	pr_info("Planted jprobe at %p, handler addr %p\n",
 	       my_jprobe.kp.addr, my_jprobe.entry);
 	return 0;
 }
@@ -59,7 +59,7 @@ static int __init jprobe_init(void)
 static void __exit jprobe_exit(void)
 {
 	unregister_jprobe(&my_jprobe);
-	printk(KERN_INFO "jprobe at %p unregistered\n", my_jprobe.kp.addr);
+	pr_info("jprobe at %p unregistered\n", my_jprobe.kp.addr);
 }
 
 module_init(jprobe_init)
-- 
2.5.5