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From: Julia Lawall <julia.lawall@inria.fr>
To: John Ogness <john.ogness@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Petr Mladek <pmladek@suse.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org, kbuild-all@lists.01.org
Subject: [PATCH] printk: fix ifnullfree.cocci warnings
Date: Fri, 24 Jul 2020 12:05:31 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.2007241203410.2834@hadrien> (raw)

Make the code a little simpler by dropping
some unneeded tests.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

Fixes: c406fbce2054 ("printk: implement syslog")
CC: John Ogness <john.ogness@linutronix.de>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.4.y-rt
head:   5fbf1e70f11dba64cc05c9d85120a3aa7c67a4a2
commit: c406fbce2054efbf812b3d811ed23a872f719db9 [43/325] printk: implement syslog
:::::: branch date: 4 months ago
:::::: commit date: 7 months ago

 printk.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1539,10 +1539,8 @@ static int syslog_print_all(char __user
 	if (clear && !seq)
 		syslog_clear();

-	if (text)
-		kfree(text);
-	if (msgbuf)
-		kfree(msgbuf);
+	kfree(text);
+	kfree(msgbuf);
 	return len;
 }

@@ -1695,10 +1693,8 @@ int do_syslog(int type, char __user *buf
 		break;
 	}
 out:
-	if (msgbuf)
-		kfree(msgbuf);
-	if (text)
-		kfree(text);
+	kfree(msgbuf);
+	kfree(text);
 	return error;
 }


             reply	other threads:[~2020-07-24 10:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-24 10:05 Julia Lawall [this message]
2020-07-27 13:20 ` [PATCH] printk: fix ifnullfree.cocci warnings John Ogness
2020-08-17 14:22   ` Sebastian Andrzej Siewior

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