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a9e5fe5826
If kzalloc() fails then gms is NULL and we are returning NULL, but the functions which called this function gru_register_mmu_notifier() are not expecting NULL as the return. They are expecting either a valid pointer or the error code in ERR_PTR. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>