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Check pointer in uip_debug_lladdr_print

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This commit is contained in:
Laurent Deru 2015-06-12 09:13:40 +02:00
parent e762d7eb50
commit 60784b40bd
1 changed files with 4 additions and 0 deletions
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4
core/net/ip/uip-debug.c
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@ -75,6 +75,10 @@ void
uip_debug_lladdr_print(const uip_lladdr_t *addr) uip_debug_lladdr_print(const uip_lladdr_t *addr)
{ {
unsigned int i; unsigned int i;
if(addr == NULL) {
printf("(NULL LL addr)");
return;
}
for(i = 0; i < sizeof(uip_lladdr_t); i++) { for(i = 0; i < sizeof(uip_lladdr_t); i++) {
if(i > 0) { if(i > 0) {
PRINTA(":"); PRINTA(":");