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udhcpc: change BPF filter to not use 0xffffffff as a max packet size,

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there are kernels which don't like big (negative when viewed as signed)
sizes.
This commit is contained in:
Denis Vlasenko 2008-06-20 12:17:59 +00:00
parent 1363f0df15
commit dd9c072846
1 changed files with 1 additions and 1 deletions
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networking/udhcp/clientsocket.c
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@ -76,7 +76,7 @@ int raw_socket(int ifindex)
BPF_STMT(BPF_LD|BPF_W|BPF_IND, 0),
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, SERVER_AND_CLIENT_PORTS, 0, 1), /* L3, L4 */
/* returns */
BPF_STMT(BPF_RET|BPF_K, (~(uint32_t)0) ), /* L3: pass */
BPF_STMT(BPF_RET|BPF_K, 0x0fffffff ), /* L3: pass */
BPF_STMT(BPF_RET|BPF_K, 0), /* L4: reject */
};
static const struct sock_fprog filter_prog = {