MINOR: log: use NULL for the unique_id if there is no stream

Now s->unique_id is used as NULL (not set) if s==NULL.

diff --git a/src/log.c b/src/log.c
index 19b448f3cb0a2f6495c8aa527e6de3eedf2abf4a..f2a0679d3cb8cda7a0ccc40f9a5f386e72af7f39 100644 (file)
--- a/src/log.c
+++ b/src/log.c
@@ -2504,7 +2504,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_UNIQUEID: // %ID
                                ret = NULL;
-                               src = s->unique_id;
+                               src = s ? s->unique_id : NULL;
                                ret = lf_text(tmplog, src, maxsize - (tmplog - dst), tmp);
                                if (ret == NULL)
                                        goto out;