diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/rtnetlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index a6fad3df42a8..9aa7d8e0d90d 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -5405,8 +5405,10 @@ static int rtnl_stats_get(struct sk_buff *skb, struct nlmsghdr *nlh, return -ENODEV; filter_mask = ifsm->filter_mask; - if (!filter_mask) + if (!filter_mask) { + NL_SET_ERR_MSG(extack, "Filter mask must be set for stats get"); return -EINVAL; + } nskb = nlmsg_new(if_nlmsg_stats_size(dev, filter_mask), GFP_KERNEL); if (!nskb) |