On Sat, Apr 28, 2007 at 11:44:43AM +0400, Alexey Dobriyan wrote:
> On 4/28/07, Akinobu Mita <[email protected]> wrote:
> >init_hugetlbfs_fs() needs to unregister hugetlbfs
> >when kern_mount() returns error.
>
> HUGETLBFS is bool, so __init function should panic more and
> __exit function should be removed. Or someone is planning
> making it tristate?
Seems reasonable to make it panic. Because hugetlbfs_vfsmount
is not initialized when error happen, and shmget() (ipc/shm.c)
can cause NULL pointer dereference by hugetlb_zero_setup().
Or we can add NULL check for hugetlbfs_vfsmount in hugetlbfs_vfsmount().
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