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*: eliminate more aliasing warnings

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-02-04 18:41:18 +01:00
parent 98a4c7cf3d
commit 12ca080a1c
6 changed files with 40 additions and 36 deletions
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3
networking/udhcp/arpping.c
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@@ -87,6 +87,7 @@ int FAST_FUNC arpping(uint32_t test_nip,
/* wait for arp reply, and check it */
timeout_ms = 2000;
do {
typedef uint32_t aliased_uint32_t FIX_ALIASING;
int r;
unsigned prevTime = monotonic_ms();
@@ -107,7 +108,7 @@ int FAST_FUNC arpping(uint32_t test_nip,
&& arp.operation == htons(ARPOP_REPLY)
/* don't check it: Linux doesn't return proper tHaddr (fixed in 2.6.24?) */
/* && memcmp(arp.tHaddr, from_mac, 6) == 0 */
&& *((uint32_t *) arp.sInaddr) == test_nip
&& *(aliased_uint32_t*)arp.sInaddr == test_nip
) {
/* if ARP source MAC matches safe_mac
* (which is client's MAC), then it's not a conflict