From: Ondřej Surý <ondrej@isc.org>
Date: Thu, 29 Sep 2022 08:46:36 +0000 (+0200)
Subject: Add missing DbC check for name##_detach in ISC_REFCOUNT_IMPL macro
X-Git-Tag: v9.19.6~19^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1e2ededb07844d2d1d361a27f9181013aac4e1fd;p=thirdparty%2Fbind9.git

Add missing DbC check for name##_detach in ISC_REFCOUNT_IMPL macro

The detach function in the ISC_REFCOUNT_IMPL macro was missing DbC
checks, add them.
---

diff --git a/lib/isc/include/isc/refcount.h b/lib/isc/include/isc/refcount.h
index bf0a66e32b8..e33cd7df25b 100644
--- a/lib/isc/include/isc/refcount.h
+++ b/lib/isc/include/isc/refcount.h
@@ -174,6 +174,7 @@ isc_refcount_decrement(isc_refcount_t *target) {
 	}                                                            \
                                                                      \
 	void name##_detach(name##_t **ptrp) {                        \
+		REQUIRE(ptrp != NULL && *ptrp != NULL);              \
 		name##_t *ptr = *ptrp;                               \
 		*ptrp = NULL;                                        \
 		name##_unref(ptr);                                   \