From: Wei Yongjun Date: Wed, 22 Apr 2020 02:01:54 +0000 (+0000) Subject: mac80211_hwsim: use GFP_ATOMIC under spin lock X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0379861217dc2dd46e3bc517010060065b0dd6fc;p=linux.git mac80211_hwsim: use GFP_ATOMIC under spin lock A spin lock is taken here so we should use GFP_ATOMIC. Fixes: 5d44fe7c9808 ("mac80211_hwsim: add frame transmission support over virtio") Signed-off-by: Wei Yongjun Link: https://lore.kernel.org/r/20200422020154.112088-1-weiyongjun1@huawei.com Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 7c4b7c31d07ab..0528d4cb4d374 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -4068,7 +4068,7 @@ static void hwsim_virtio_rx_work(struct work_struct *work) } vq = hwsim_vqs[HWSIM_VQ_RX]; sg_init_one(sg, skb->head, skb_end_offset(skb)); - err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL); + err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_ATOMIC); if (WARN(err, "virtqueue_add_inbuf returned %d\n", err)) nlmsg_free(skb); else