From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Fri, 20 Jun 2008 12:17:59 +0000 (-0000)
Subject: udhcpc: change BPF filter to not use 0xffffffff as a max packet size,
X-Git-Tag: 1_11_0~27
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=dd9c072846f03f703909d0d39e4072a2419db971;p=oweals%2Fbusybox.git

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.
---

diff --git a/networking/udhcp/clientsocket.c b/networking/udhcp/clientsocket.c
index 114200192..0e13824b6 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 = {