staging: lustre: obdclass: llog: 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/obdclass/llog.c b/drivers/staging/lustre/lustre/obdclass/llog.c
index 636df94775ec1a8d37c68b90da798523ecb2d20c..4fa52d1b79d1221b569fa8a0c6520bbcce084747 100644 (file)
--- a/drivers/staging/lustre/lustre/obdclass/llog.c
+++ b/drivers/staging/lustre/lustre/obdclass/llog.c
@@ -563,8 +563,7 @@ int llog_reverse_process(const struct lu_env *env,
        }
 
 out:
-       if (buf)
-               kfree(buf);
+       kfree(buf);
        return rc;
 }
 EXPORT_SYMBOL(llog_reverse_process);