diff mbox series

[5/5] hw/xen: Fix broken check for invalid state in xs_be_open()

Message ID 20230412185102.441523-6-dwmw2@infradead.org
State New
Headers show
Series Xen emulation build/Coverity fixes | expand

Commit Message

David Woodhouse April 12, 2023, 6:51 p.m. UTC 
From: David Woodhouse <dwmw@amazon.co.uk>

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>
---
 hw/i386/kvm/xen_xenstore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Peter Maydell April 12, 2023, 6:57 p.m. UTC | #1 
On Wed, 12 Apr 2023 at 19:52, David Woodhouse <dwmw2@infradead.org> wrote:
>
> From: David Woodhouse <dwmw@amazon.co.uk>
>
> 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: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
Paul Durrant April 17, 2023, 12:34 p.m. UTC | #2 
On 12/04/2023 19:51, David Woodhouse wrote:
> From: David Woodhouse <dwmw@amazon.co.uk>
> 
> 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>
> ---
>   hw/i386/kvm/xen_xenstore.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Paul Durrant <paul@xen.org>
diff mbox series

Patch

diff --git a/hw/i386/kvm/xen_xenstore.c b/hw/i386/kvm/xen_xenstore.c
index 900679af8a..65f91e87d7 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;
     }