diff options
Diffstat (limited to 'networking/udhcp/dhcpc.c')
| -rw-r--r-- | networking/udhcp/dhcpc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index bdb1e2b..25f18b3 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -1025,9 +1025,10 @@ static int udhcp_raw_socket(int ifindex) BPF_STMT(BPF_LD|BPF_H|BPF_IND, 2), /* jump to L3 if udp dport is CLIENT_PORT, else to L4 */ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, 68, 0, 1), - /* L3: accept packet */ - BPF_STMT(BPF_RET|BPF_K, 0xffffffff), - /* L4: discard packet */ + /* L3: accept packet ("accept 0x7fffffff bytes") */ + /* Accepting 0xffffffff works too but kernel 2.6.19 is buggy */ + BPF_STMT(BPF_RET|BPF_K, 0x7fffffff), + /* L4: discard packet ("accept zero bytes") */ BPF_STMT(BPF_RET|BPF_K, 0), }; static const struct sock_fprog filter_prog = { |