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fix compilation of ip_canforward on 8-/16-bit platforms (where constants are 16-bit and thus cannot be left-shifted by 24)

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goldsimon 2011-11-23 09:09:22 +01:00
parent 08b497faea
commit d1fa13ed52
1 changed files with 1 additions and 1 deletions
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2
src/core/ipv4/ip4.c
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@ -169,7 +169,7 @@ ip_canforward(struct pbuf *p)
}
if (IP_CLASSA(addr)) {
u32_t net = addr & IP_CLASSA_NET;
if ((net == 0) || (net == (IP_LOOPBACKNET << IP_CLASSA_NSHIFT))) {
if ((net == 0) || (net == ((u32_t)IP_LOOPBACKNET << IP_CLASSA_NSHIFT))) {
/* don't route loopback packets */
return 0;
}