Commit 26896f01 authored by Qingyu Li's avatar Qingyu Li Committed by David S. Miller

net/nfc/rawsock.c: add CAP_NET_RAW check.

When creating a raw AF_NFC socket, CAP_NET_RAW needs to be checked first.
Signed-off-by: default avatarQingyu Li <ieatmuttonchuan@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1dab5877
...@@ -328,10 +328,13 @@ static int rawsock_create(struct net *net, struct socket *sock, ...@@ -328,10 +328,13 @@ static int rawsock_create(struct net *net, struct socket *sock,
if ((sock->type != SOCK_SEQPACKET) && (sock->type != SOCK_RAW)) if ((sock->type != SOCK_SEQPACKET) && (sock->type != SOCK_RAW))
return -ESOCKTNOSUPPORT; return -ESOCKTNOSUPPORT;
if (sock->type == SOCK_RAW) if (sock->type == SOCK_RAW) {
if (!capable(CAP_NET_RAW))
return -EPERM;
sock->ops = &rawsock_raw_ops; sock->ops = &rawsock_raw_ops;
else } else {
sock->ops = &rawsock_ops; sock->ops = &rawsock_ops;
}
sk = sk_alloc(net, PF_NFC, GFP_ATOMIC, nfc_proto->proto, kern); sk = sk_alloc(net, PF_NFC, GFP_ATOMIC, nfc_proto->proto, kern);
if (!sk) if (!sk)
......
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