Re: [PATCH 2/2] virnetdevtap: Add better error message for a possible common user error

When users pre-create a tap device to use with multiqueue interface that has `managed="no"`, change the error so that it does not indicate we are trying to create the device, and on top of that hint at the most probable error cause. Resolves: https://issues.redhat.com/browse/RHEL-55749 Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- src/util/virnetdevtap.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/src/util/virnetdevtap.c b/src/util/virnetdevtap.c index 55536b5f4be2..3df4dc129f0c 100644 --- a/src/util/virnetdevtap.c +++ b/src/util/virnetdevtap.c

@@ -247,7 +254,7 @@ int virNetDevTapCreate(char **ifname, ioctl(fd, TUNSETPERSIST, 1) < 0) { virReportSystemError(errno, _("Unable to set tap device %1$s to persistent"), - *ifname); + NULLSTR(*ifname)); goto cleanup; } tapfd[i] = fd;