Commit b8e429a2 authored by David S. Miller's avatar David S. Miller

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: default avatarDavid S. Miller <davem@davemloft.net>
parent f1640c3d
......@@ -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);
......
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