udhcpc: change BPF filter to not use 0xffffffff as a max packet size, there are kernels which don't like big (negative when viewed as signed) sizes.
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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 = { | |