genetlink: Fix off-by-one in genl_allocate_reserve_groups()



The bug fix for adding n_groups to the computation forgot
to adjust ">=" to ">" to keep the condition correct.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent f1640c3d

net/netlink/genetlink.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -185,7 +185,7 @@ static int genl_allocate_reserve_groups(int n_groups, int *first_id)
		}
		}

		if (id + n_groups >= mc_groups_longs * BITS_PER_LONG) {
		if (id + n_groups > mc_groups_longs * BITS_PER_LONG) {
		unsigned long new_longs = mc_groups_longs +
		BITS_TO_LONGS(n_groups);
		size_t nlen = new_longs * sizeof(unsigned long);