linux-kernel - [PATCH v2] kobject: to use pr_warn replace KERN

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Date:   Mon,  5 Nov 2018 21:41:43 -0500
From:   Bo YU <tsu.yubo@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Bo YU <tsu.yubo@...il.com>, rafael@...nel.org,
        linux-kernel@...r.kernel.org, joe@...ches.com
Subject: [PATCH v2] kobject: to use pr_warn replace KERN_WARNING

Fix warning form checkpatch, use pr_warn replace KERN_WARNING

Signed-off-by: Bo YU <tsu.yubo@...il.com>
---
changes in v2:
According to Joe's suggestion,drop newline from msg, otherwise
it can be unterminated with newline.
---
 lib/kobject_uevent.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 63d0816ab23b..1837765ebf01 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -195,12 +195,12 @@ int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)
 	enum kobject_action action;
 	const char *action_args;
 	struct kobj_uevent_env *env;
-	const char *msg = NULL, *devpath;
+	const char *msg = NULL;
 	int r;
 
 	r = kobject_action_type(buf, count, &action, &action_args);
 	if (r) {
-		msg = "unknown uevent action string\n";
+		msg = "unknown uevent action string";
 		goto out;
 	}
 
@@ -212,7 +212,7 @@ int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)
 	r = kobject_action_args(action_args,
 				count - (action_args - buf), &env);
 	if (r == -EINVAL) {
-		msg = "incorrect uevent action arguments\n";
+		msg = "incorrect uevent action arguments";
 		goto out;
 	}
 
@@ -223,8 +223,9 @@ int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)
 	kfree(env);
 out:
 	if (r) {
-		devpath = kobject_get_path(kobj, GFP_KERNEL);
-		printk(KERN_WARNING "synth uevent: %s: %s",
+		char *devpath = kobject_get_path(kobj, GFP_KERNEL);
+
+		pr_warn("synth uevent: %s: %s\n",
 		       devpath ?: "unknown device",
 		       msg ?: "failed to send uevent");
 		kfree(devpath);
-- 
2.11.0