[PATCH for-6.1? v2 1/9] nbd/server: Mark variable unused in nbd_negotiate_meta_queries

[Richard Henderson <richard.henderson@linaro.org>]

From clang-13:
nbd/server.c:976:22: error: variable 'bitmaps' set but not used \
    [-Werror,-Wunused-but-set-variable]

which is incorrect; see //bugs.llvm.org/show_bug.cgi?id=3888.

Cc: qemu-block@nongnu.org
Cc: Eric Blake <eblake@redhat.com>
Cc: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 nbd/server.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nbd/server.c b/nbd/server.c
index b60ebc3ab6..3927f7789d 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -973,7 +973,8 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
 {
     int ret;
     g_autofree char *export_name = NULL;
-    g_autofree bool *bitmaps = NULL;
+    /* Mark unused to work around https://bugs.llvm.org/show_bug.cgi?id=3888 */
+    g_autofree G_GNUC_UNUSED bool *bitmaps = NULL;
     NBDExportMetaContexts local_meta = {0};
     uint32_t nb_queries;
     size_t i;
-- 
2.25.1