Fix null string compare causing crash

diff --git a/src/client.c b/src/client.c
index a1f957d9e4234922b008b639550e6cf4f79717ad..1ef55f0b7bab590be65b92fde71c43d31609bc11 100644 (file)
--- a/src/client.c
+++ b/src/client.c
@@ -608,7 +608,9 @@ out:
 static inline void Client_send_voice(client_t *src, client_t *dst, uint8_t *data, int len, int poslen)
 {
        if (IS_AUTH(dst) && dst != src && !dst->deaf) {
-               if (poslen > 0 && strcmp(src->context, dst->context) == 0)
+               if (poslen > 0 && /* Has positional data */
+                       src->context != NULL && dst->context != NULL && /* ...both source and destination has context */
+                       strcmp(src->context, dst->context) == 0) /* ...and the contexts match */
                        Client_send_udp(dst, data, len);
                else
                        Client_send_udp(dst, data, len - poslen);