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libnm-core: properly handle %NULL @ip in nm_utils_ipaddr_valid()

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A is_valid() function should just accept NULL as input and
return "invalid". It certainly should not crash.

Fixes: 21c8a6b20e
(cherry picked from commit 2b55de8560)
This commit is contained in:
Thomas Haller 2015-07-22 13:06:29 +02:00
parent f11e4c31ee
commit fa2b8fdbdf
1 changed files with 3 additions and 0 deletions
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3
libnm-core/nm-utils.c
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@ -3353,6 +3353,9 @@ nm_utils_ipaddr_valid (int family, const char *ip)
g_return_val_if_fail (family == AF_INET || family == AF_INET6 || family == AF_UNSPEC, FALSE);
if (!ip)
return FALSE;
if (family == AF_UNSPEC)
family = strchr (ip, ':') ? AF_INET6 : AF_INET;