From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Fri, 9 May 2008 11:55:58 +0000 (-0000)
Subject: udhcp: protect agianst timer overflowing 32-bit counter
X-Git-Tag: 1_11_0~243
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b89e2027d9cff6ca660f3230e680e41f061b148a;p=oweals%2Fbusybox.git

udhcp: protect agianst timer overflowing 32-bit counter

function                                             old     new   delta
arpping                                              398     387     -11
---

diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c
index 45597c04b..a8a458468 100644
--- a/networking/udhcp/arpping.c
+++ b/networking/udhcp/arpping.c
@@ -106,7 +106,7 @@ int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *i
 				break;
 			}
 		}
-		timeout_ms -= (monotonic_us() - prevTime) / 1000;
+		timeout_ms -= ((unsigned)monotonic_us() - prevTime) / 1000;
 	} while (timeout_ms > 0);
 
  ret: