measure: figure success of measurement correctly

Found by Claude Code Review.

diff --git a/src/boot/measure.c b/src/boot/measure.c
index 22129cb87d61d207d9626ee50d2c3bc7b82941c9..3c51998d1b298a97220df76ad3b7bc28da7f3815 100644 (file)
--- a/src/boot/measure.c
+++ b/src/boot/measure.c
@@ -309,7 +309,7 @@ EFI_STATUS tpm_log_tagged_event(
         }
 
         err = tpm2_measure_to_pcr_and_tagged_event_log(tpm2, pcrindex, buffer, buffer_size, event_id, description);
-        if (!err)
+        if (err != EFI_SUCCESS)
                 return err;
 
         *ret_measured = true;