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-rw-r--r--networking/udhcp/arpping.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c
index 548796e..cf18153 100644
--- a/networking/udhcp/arpping.c
+++ b/networking/udhcp/arpping.c
@@ -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