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staging: lustre: libcfs: linux: remove unneeded null test before free
authorJulia Lawall <Julia.Lawall@lip6.fr>
Fri, 1 May 2015 19:38:03 +0000 (21:38 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 May 2015 07:23:52 +0000 (09:23 +0200)
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);
  ptr = NULL;
- }
// </smpl>

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

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