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UPSTREAM: 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: 5d44fe7c9808 ("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>
(cherry picked from commit 0379861217dc2dd46e3bc517010060065b0dd6fc)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I16c7f59f3e695ac6a6ffaa25217e3d7309827dca
This commit is contained in:
Wei Yongjun 2020-04-22 02:01:54 +00:00 • committed by Connor O'Brien
parent 48ffcbf0b9
commit 305c5f5486
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mac80211_hwsim.c
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@ -4041,7 +4041,7 @@ 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