Fix write-only use of a few variables

Since the invention of read-only memory, write-only memory has been
considered deprecated. Where appropriate, either make use of the
value, or avoid writing it, to make it clear that it is not used.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libsystemd-bus/test-bus-memfd.c b/src/libsystemd-bus/test-bus-memfd.c
index 05ef555f0d..b9d6a250c3 100644
--- a/src/libsystemd-bus/test-bus-memfd.c
+++ b/src/libsystemd-bus/test-bus-memfd.c
@@ -102,7 +102,7 @@ int main(int argc, char *argv[]) {
 
         /* we did truncate it to 6 */
         r = sd_memfd_get_size(m, &sz);
-        assert_se(sz == 6);
+        assert_se(r >= 0 && sz == 6);
 
         /* map it, check content */
         r = sd_memfd_map(m, 0, 12, (void **)&s);