If we fail to allocate mp->virt during the first while loop iteration,
mlist is still uninitialized, therefore we should check if before
dereferencing.
Signed-off-by: NEric Sesterhenn <snakebyte@gmx.de>
Acked-by: NJames Smart <James.Smart@Emulex.Com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>