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authorDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-21 13:39:34 -0800
commite65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06 (patch)
tree04b1728c397ad4604a6163529f51dfd48dfdbc07 /net/netlink/af_netlink.c
parentb4d9785ce5c035b672f25df56706d0ff4e68b74e (diff)
parent0c0ddd6ae47c9238c18f475bcca675ca74c9dc31 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflict resolution of ice_virtchnl_pf.c based upon work by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink/af_netlink.c')
-rw-r--r--net/netlink/af_netlink.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index bced11032681..813bfab13296 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1014,7 +1014,8 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
if (nlk->netlink_bind && groups) {
int group;
- for (group = 0; group < nlk->ngroups; group++) {
+ /* nl_groups is a u32, so cap the maximum groups we can bind */
+ for (group = 0; group < BITS_PER_TYPE(u32); group++) {
if (!test_bit(group, &groups))
continue;
err = nlk->netlink_bind(net, group + 1);
@@ -1033,7 +1034,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
netlink_insert(sk, nladdr->nl_pid) :
netlink_autobind(sock);
if (err) {
- netlink_undo_bind(nlk->ngroups, groups, sk);
+ netlink_undo_bind(BITS_PER_TYPE(u32), groups, sk);
goto unlock;
}
}