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udhcp: protect agianst timer overflowing 32-bit counter 

function                                             old     new   delta
arpping                                              398     387     -11
1_11_stable
Denis Vlasenko 2008-05-09 11:55:58 +00:00
parent f3aa4a8ec5
commit b89e2027d9
1 changed files with 1 additions and 1 deletions
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2
networking/udhcp/arpping.c
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@ -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: