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 cf645388dc7583ded216f3075a9cf2cf8d54683f..53761787a56f1219370e99654e8a74a3f71f7452 100644 (file)
--- 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;
 }