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uuid: Make null_uuid static 

So that it doesn't have to be zeroed at each call.

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-Id: <1474432046-325-3-git-send-email-famz@redhat.com>
This commit is contained in:
Fam Zheng 2016-09-21 12:27:15 +08:00
parent cea25275a3
commit 3630be75d8
1 changed files with 1 additions and 1 deletions
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2
util/uuid.c
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@ -40,7 +40,7 @@ void qemu_uuid_generate(QemuUUID *uuid)
int qemu_uuid_is_null(const QemuUUID *uu)
{
QemuUUID null_uuid = { 0 };
static QemuUUID null_uuid;
return memcmp(uu, &null_uuid, sizeof(QemuUUID)) == 0;
}