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Diffstat (limited to 'net/bridge/br.c')
-rw-r--r--net/bridge/br.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 1885d0c315f0..c683baa3847f 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -324,6 +324,13 @@ int br_boolopt_multi_toggle(struct net_bridge *br,
int err = 0;
int opt_id;
+ opt_id = find_next_bit(&bitmap, BITS_PER_LONG, BR_BOOLOPT_MAX);
+ if (opt_id != BITS_PER_LONG) {
+ NL_SET_ERR_MSG_FMT_MOD(extack, "Unknown boolean option %d",
+ opt_id);
+ return -EINVAL;
+ }
+
for_each_set_bit(opt_id, &bitmap, BR_BOOLOPT_MAX) {
bool on = !!(bm->optval & BIT(opt_id));