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mac80211_hwsim: use GFP_ATOMIC under spin lock

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A spin lock is taken here so we should use GFP_ATOMIC.

Fixes: 5d44fe7c98 ("mac80211_hwsim: add frame transmission support over virtio")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200422020154.112088-1-weiyongjun1@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Wei Yongjun 2020-04-22 02:01:54 +00:00 committed by Johannes Berg
parent 7c74b0bec9
commit 0379861217
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mac80211_hwsim.c
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@ -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