From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Sun, 6 May 2007 21:50:18 +0000 (-0700)
Subject: hugetlbfs: add NULL check in hugetlb_zero_setup()
X-Git-Tag: v2.6.22-rc1~923
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5bc98594d59672303c4c9c07262ecc373dc374da;p=pandora-kernel.git

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>
---

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