Fix coverity issues (#15375)

* parser cannot be null -- CID 394449 Dereference before null check (REVERSE_INULL)

* Fix warning - ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]

1 files changed, 4 insertions, 2 deletions

diff --git a/claim/claim.c b/claim/claim.c
index 825f27bd5b..a30fd0dab1 100644
--- a/claim/claim.c
+++ b/claim/claim.c
@@ -257,8 +257,10 @@ bool netdata_random_session_id_generate(void) {
         if (write(fd, guid, UUID_STR_LEN - 1) != UUID_STR_LEN - 1) {
             netdata_log_error("Cannot write the random session id file '%s'.", filename);
             ret = false;
-        } else
-            (void) write(fd, "\n", 1);
+        } else {
+            ssize_t bytes = write(fd, "\n", 1);
+            UNUSED(bytes);
+        }
         close(fd);
     }