tree ecce71c4119e24a960204fa4673bf7521758520e
parent 0a85b6f0ab0d2edb0d41b32697111ce0e4f43496
author Figo.zhang <figo1802@gmail.com> 1244286691 +0800
committer Greg Kroah-Hartman <gregkh@suse.de> 1253041293 -0700

Staging: comedi: no need for checking vfree call

vfree() does it's own NULL checking,so no need for check before
calling it.

'pages' is local variable argment,so in v2, it is no need assignment
 to NULL.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>