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authorDenis Vlasenko2008-06-20 12:17:59 +0000
committerDenis Vlasenko2008-06-20 12:17:59 +0000
commitdd9c072846f03f703909d0d39e4072a2419db971 (patch)
tree7682e11bb9d13afe3f5b7d4f4aa1851607438989 /networking/udhcp
parent1363f0df150e26c9457a8ccbe35580843bae3319 (diff)
downloadbusybox-dd9c072846f03f703909d0d39e4072a2419db971.zip
busybox-dd9c072846f03f703909d0d39e4072a2419db971.tar.gz
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.
Diffstat (limited to 'networking/udhcp')
-rw-r--r--networking/udhcp/clientsocket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/networking/udhcp/clientsocket.c b/networking/udhcp/clientsocket.c
index 1142001..0e13824 100644
--- a/networking/udhcp/clientsocket.c
+++ b/networking/udhcp/clientsocket.c
@@ -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 = {