From c9bdfe8d587c1a6a8fc2e0ff97343745a9f5f247 Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw@amazon.co.uk>
Date: Wed, 12 Apr 2023 19:51:02 +0100
Subject: [PATCH] hw/xen: Fix broken check for invalid state in xs_be_open()
Coverity points out that if (!s && !s->impl) isn't really what we intended
to do here. CID 1508131.
Fixes: 032475127225 ("hw/xen: Add emulated implementation of XenStore operations")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230412185102.441523-6-dwmw2@infradead.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
hw/i386/kvm/xen_xenstore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/kvm/xen_xenstore.c b/hw/i386/kvm/xen_xenstore.c
index 0b189c6ab8..133d89e953 100644
--- a/hw/i386/kvm/xen_xenstore.c
+++ b/hw/i386/kvm/xen_xenstore.c
@@ -1688,7 +1688,7 @@ static struct qemu_xs_handle *xs_be_open(void)
XenXenstoreState *s = xen_xenstore_singleton;
struct qemu_xs_handle *h;
- if (!s && !s->impl) {
+ if (!s || !s->impl) {
errno = -ENOSYS;
return NULL;
}