[PATCH v3 5/6] hw/core/loader: gunzip(): initialize z_stream

Vladimir Sementsov-Ogievskiy posted 6 patches 2 years, 3 months ago
Maintainers: Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Daniel P. Berrangé" <berrange@redhat.com>
[PATCH v3 5/6] hw/core/loader: gunzip(): initialize z_stream
Posted by Vladimir Sementsov-Ogievskiy 2 years, 3 months ago
Coverity signals that variable as being used uninitialized. And really,
when work with external APIs that's better to zero out the structure,
where we set some fields by hand.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Maksim Davydov <davydov-max@yandex-team.ru>
---
 hw/core/loader.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/core/loader.c b/hw/core/loader.c
index 4dd5a71fb7..b7bb44b7f7 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -558,7 +558,7 @@ static void zfree(void *x, void *addr)
 
 ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, size_t srclen)
 {
-    z_stream s;
+    z_stream s = {};
     ssize_t dstbytes;
     int r, i, flags;
 
-- 
2.34.1