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Fix crash in rk_freeifaddrs due to freeing an invalid pointer

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Crash occurs on Linux systems that support AF_NETLINK but do not have
getifaddrs() in libc (eg. SuSE 8.1).

Signed-off-by: Love Hornquist Astrand <lha@h5l.org>
This commit is contained in:
Ted Percival
2009-08-04 15:33:56 -06:00
committed by Love Hornquist Astrand
parent 0ede7ac561
commit 1cbb0e766d
1 changed files with 9 additions and 2 deletions
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11
lib/roken/getifaddrs.c
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@@ -853,6 +853,13 @@ rk_getifaddrs(struct ifaddrs **ifap)
return 0; return 0;
} }
void ROKEN_LIB_FUNCTION
rk_freeifaddrs(struct ifaddrs *ifp)
{
/* AF_NETLINK method uses a single allocation for all interfaces */
free(ifp);
}
#else /* !AF_NETLINK */ #else /* !AF_NETLINK */
/* /*
@@ -1175,8 +1182,6 @@ rk_getifaddrs(struct ifaddrs **ifap)
return ret; return ret;
} }
#endif /* !AF_NETLINK */
void ROKEN_LIB_FUNCTION void ROKEN_LIB_FUNCTION
rk_freeifaddrs(struct ifaddrs *ifp) rk_freeifaddrs(struct ifaddrs *ifp)
{ {
@@ -1198,6 +1203,8 @@ rk_freeifaddrs(struct ifaddrs *ifp)
} }
} }
#endif /* !AF_NETLINK */
#ifdef TEST #ifdef TEST
void void