If we cannot open a connection to our dns server we will have NULL sockets in
our array, so don't do the cleanup on any sockets that didn't get created.
Signed-off-by: Josef Bacik <jba...@fb.com>
---
grub-core/net/dns.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/grub-core/net/dns.c b/grub-core/net/dns.c
index 9d0c8fc..c356318 100644
--- a/grub-core/net/dns.c
+++ b/grub-core/net/dns.c
@@ -601,7 +601,10 @@ grub_net_dns_lookup (const char *name,
grub_free (data.name);
grub_netbuff_free (nb);
for (j = 0; j < send_servers; j++)
- grub_net_udp_close (sockets[j]);
+ {
+ if (sockets[j])
+ grub_net_udp_close (sockets[j]);
+ }
grub_free (sockets);
--
1.8.1
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