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.

Link: http://lkml.kernel.org/r/1464143083-3877-2-git-send-email-shijie.huang@arm.com
Signed-off-by: Huang Shijie <shijie.huang@arm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/samples/kprobes/jprobe_example.c b/samples/kprobes/jprobe_example.c
index c3108bb1578996dd30c11d0f8c515f04c41a5d03..e3c0a40909f7a3fee445b1e192ad02c9f3e713e0 100644 (file)
--- 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)