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Do not stop interface iteration if address is NULL

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Signed-off-by: Jeroen Koekkoek <jeroen@koekkoek.nl>
This commit is contained in:
Jeroen Koekkoek 2018-10-19 17:50:13 +02:00
parent a9e160ec07
commit fbde1ba5b8
1 changed files with 15 additions and 13 deletions
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28
src/os/src/posix/os_platform_ifaddrs.c
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@ -71,23 +71,25 @@ os_getifaddrs(
ifa = ifa_root = NULL; ifa = ifa_root = NULL;
for (sys_ifa = sys_ifa_root; for (sys_ifa = sys_ifa_root;
sys_ifa != NULL && sys_ifa->ifa_addr != NULL && err == 0; sys_ifa != NULL && err == 0;
sys_ifa = sys_ifa->ifa_next) sys_ifa = sys_ifa->ifa_next)
{ {
sa = sys_ifa->ifa_addr; sa = sys_ifa->ifa_addr;
use = (afs == NULL); if (sa != NULL) {
for (int i = 0; !use && afs[i] != 0; i++) { use = (afs == NULL);
use = (sa->sa_family == afs[i]); for (int i = 0; !use && afs[i] != 0; i++) {
} use = (sa->sa_family == afs[i]);
}
if (use) { if (use) {
err = copyaddr(&ifa_next, sys_ifa); err = copyaddr(&ifa_next, sys_ifa);
if (err == 0) { if (err == 0) {
if (ifa == NULL) { if (ifa == NULL) {
ifa = ifa_root = ifa_next; ifa = ifa_root = ifa_next;
} else { } else {
ifa->next = ifa_next; ifa->next = ifa_next;
ifa = ifa_next; ifa = ifa_next;
}
} }
} }
} }