[libvirt] [PATCH 1/3] qemu: domain: Fix logic bug in qemuDomainStorageSourceAccessAllow

Peter Krempa posted 3 patches 6 years, 8 months ago
[libvirt] [PATCH 1/3] qemu: domain: Fix logic bug in qemuDomainStorageSourceAccessAllow
Posted by Peter Krempa 6 years, 8 months ago
In commit 76b9aba2ba6 I tried to refactor qemuDomainStorageSourceAccessAllow
but used wrong operators for adding bitwise flags.

This way the flags would result in 0 if any of them would be applied.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 src/qemu/qemu_domain.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 4d3a8868b2..e521bd3982 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -9491,10 +9491,10 @@ qemuDomainStorageSourceAccessAllow(virQEMUDriverPtr driver,
     qemuDomainStorageSourceAccessFlags flags = QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_SKIP_REVOKE;

     if (readonly)
-        flags &= QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_READ_ONLY;
+        flags |= QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_READ_ONLY;

     if (!newSource)
-        flags &= QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_MODIFY_ACCESS;
+        flags |= QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_MODIFY_ACCESS;

     return qemuDomainStorageSourceAccessModify(driver, vm, elem, flags);
 }
-- 
2.21.0

--
libvir-list mailing list
libvir-list@redhat.com
https://www.redhat.com/mailman/listinfo/libvir-list
Re: [libvirt] [PATCH 1/3] qemu: domain: Fix logic bug in qemuDomainStorageSourceAccessAllow
Posted by Ján Tomko 6 years, 8 months ago
On Tue, Jun 11, 2019 at 04:56:23PM +0200, Peter Krempa wrote:
>In commit 76b9aba2ba6 I tried to refactor qemuDomainStorageSourceAccessAllow
>but used wrong operators for adding bitwise flags.
>

How did that get past review? O:-)

>This way the flags would result in 0 if any of them would be applied.
>
>Signed-off-by: Peter Krempa <pkrempa@redhat.com>
>---
> src/qemu/qemu_domain.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko@redhat.com>

Jano
--
libvir-list mailing list
libvir-list@redhat.com
https://www.redhat.com/mailman/listinfo/libvir-list