From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Fri, 1 May 2015 19:37:51 +0000 (+0200)
Subject: staging: lustre: obdecho: remove unneeded null test before free
X-Git-Tag: v4.2-rc1~88^2~927
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=627ef6ea9a0678b1ad74d01c6ff3f5fbefa41a42;p=linux.git

staging: lustre: obdecho: remove unneeded null test before free

Kfree can cope with a null argument, so drop null tests.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression ptr; @@

- if (ptr != NULL)
  kfree(ptr);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index cf645388dc75..53761787a56f 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -1737,10 +1737,8 @@ static int echo_client_prep_commit(const struct lu_env *env,
 	}
 
 out:
-	if (lnb)
-		kfree(lnb);
-	if (rnb)
-		kfree(rnb);
+	kfree(lnb);
+	kfree(rnb);
 	return ret;
 }