qemu: Ignore subsequent attempts to probe device properties

In some cases, we are probing multiple devices for the same
property and setting the corresponding capability if it's
found on any of the devices: when that happens, we can quit
early after finding the first property and avoiding a bunch
of string comparisons.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 4dec0046df4f0728a6e71ef0e6f5e2cda055c904..853e8cefcff4444926214ce0b6c94e6e8afba5ce 100644 (file)
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -1978,6 +1978,9 @@ virQEMUCapsProcessStringFlags(virQEMUCapsPtr qemuCaps,
 {
     size_t i, j;
     for (i = 0; i < nflags; i++) {
+        if (virQEMUCapsGet(qemuCaps, flags[i].flag))
+            continue;
+
         for (j = 0; j < nvalues; j++) {
             if (STREQ(values[j], flags[i].value)) {
                 virQEMUCapsSet(qemuCaps, flags[i].flag);