hugetlbfs: add NULL check in hugetlb_zero_setup()
authorAkinobu Mita <akinobu.mita@gmail.com>
Sun, 6 May 2007 21:50:18 +0000 (14:50 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 7 May 2007 19:12:57 +0000 (12:12 -0700)
commit5bc98594d59672303c4c9c07262ecc373dc374da
treebc9855b1448222819d75fb23e26fdcd09382e460
parentcfce66047f1893cb7d3abb0d53e65cbbd8d605f0
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>
fs/hugetlbfs/inode.c