tree bc9855b1448222819d75fb23e26fdcd09382e460
parent cfce66047f1893cb7d3abb0d53e65cbbd8d605f0
author Akinobu Mita <akinobu.mita@gmail.com> 1178488218 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1178565177 -0700

hugetlbfs: add NULL check in hugetlb_zero_setup()

If hugetlbfs module_init() fails, hugetlbfs_vfsmount is not initialized and
shmget() with SHM_HUGETLB flag will cause NULL pointer dereference.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>