hugetlbfs: return error code when initializing module
Return an errno upon failure to create inode kmem cache, and unregister the FS upon failure to mount. [akpm@linux-foundation.org: remove unneeded test of `error'] Signed-off-by: Hillf Danton <dhillf@gmail.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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