Report correct error in virNetDevTapCreate

ioctl returns -1, not the errno value

Report correct error in virNetDevTapCreate
ioctl returns -1, not the errno value
f8a33815 · Ján Tomko · 10af0a19 · f8a33815
隐藏空白更改
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Showing with 1 addition and 1 deletion

src/util/virnetdevtap.c src/util/virnetdevtap.c +1 -1

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--- a/src/util/virnetdevtap.c
+++ b/src/util/virnetdevtap.c
@@ -294,7 +294,7 @@ int virNetDevTapCreate(char **ifname,
        }

        if ((flags & VIR_NETDEV_TAP_CREATE_PERSIST) &&
-            (errno = ioctl(fd, TUNSETPERSIST, 1))) {
+            ioctl(fd, TUNSETPERSIST, 1) < 0) {
            virReportSystemError(errno,
                                 _("Unable to set tap device %s to persistent"),
                                 NULLSTR(*ifname));