From 6cc485a1e1244d91d75f8522617e24e340c22b6b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 13 Jun 2022 23:04:01 +0200 Subject: [PATCH] UPSTREAM: wifi: mac80211_hwsim: set virtio device ready in probe() Just like a similar commit to arch/um/drivers/virt-pci.c, call virtio_device_ready() to make this driver work after commit b4ec69d7e09 ("virtio: harden vring IRQ"), since the driver uses the virtqueues in the probe function. (The virtio core sets the device ready when probe returns.) Bug: 254441685 Fixes: 8b4ec69d7e09 ("virtio: harden vring IRQ") Fixes: 5d44fe7c9808 ("mac80211_hwsim: add frame transmission support over virtio") Signed-off-by: Johannes Berg Acked-by: Jason Wang Link: https://lore.kernel.org/r/20220613210401.327958-1-johannes@sipsolutions.net Signed-off-by: Johannes Berg (cherry picked from commit 3f3558c8054f82950b6decf928738306f556edf3) Signed-off-by: Lee Jones Change-Id: I570a33f2f49de46a46005faa772e5aaec4ef6be6 Signed-off-by: Naveen <133593113+elohim-etz@users.noreply.github.com> --- drivers/net/wireless/mac80211_hwsim.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 79e2b8d59706..7f11f420129f 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3792,6 +3792,8 @@ static int hwsim_virtio_probe(struct virtio_device *vdev) if (err) return err; + virtio_device_ready(vdev); + err = fill_vq(hwsim_vqs[HWSIM_VQ_RX]); if (err) goto out_remove;