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Diffstat (limited to 'net/netlink/genetlink.c')
-rw-r--r--net/netlink/genetlink.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index b1fd059c9992..3e16527beb91 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -380,6 +380,8 @@ static int genl_validate_ops(const struct genl_family *family)
genl_get_cmd_by_index(i, family, &op);
if (op.dumpit == NULL && op.doit == NULL)
return -EINVAL;
+ if (WARN_ON(op.cmd >= family->resv_start_op && op.validate))
+ return -EINVAL;
for (j = i + 1; j < genl_get_cmd_cnt(family); j++) {
struct genl_ops op2;