If alloc_vmap_area() fails the allocated struct vmap_area has to be freed.
Signed-off-by: NRalph Wuerthner <ralphw@linux.vnet.ibm.com>
Reviewed-by: NChristoph Lameter <cl@linux-foundation.org>
Reviewed-by: NMinchan Kim <minchan.kim@gmail.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>