diff options
author | Tony Lindgren <tony@atomide.com> | 2021-02-15 06:41:56 +0200 |
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committer | Tony Lindgren <tony@atomide.com> | 2021-02-15 06:41:56 +0200 |
commit | 857de6fe2f86b009df620f7cdb07c262cc17070d (patch) | |
tree | e9718ebeeef39485a51a9f8e3c8122da18c796cf /drivers/net/xen-netback | |
parent | 9bbce32a20d6a72c767a7f85fd6127babd1410ac (diff) | |
parent | fbfa463be8dc7957ee4f81556e9e1ea2a951807d (diff) |
Merge branch 'fixes-v5.11' into fixes
Diffstat (limited to 'drivers/net/xen-netback')
-rw-r--r-- | drivers/net/xen-netback/rx.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c index b8febe1d1bfd..accc991d153f 100644 --- a/drivers/net/xen-netback/rx.c +++ b/drivers/net/xen-netback/rx.c @@ -38,10 +38,15 @@ static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) RING_IDX prod, cons; struct sk_buff *skb; int needed; + unsigned long flags; + + spin_lock_irqsave(&queue->rx_queue.lock, flags); skb = skb_peek(&queue->rx_queue); - if (!skb) + if (!skb) { + spin_unlock_irqrestore(&queue->rx_queue.lock, flags); return false; + } needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); if (skb_is_gso(skb)) @@ -49,6 +54,8 @@ static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) if (skb->sw_hash) needed++; + spin_unlock_irqrestore(&queue->rx_queue.lock, flags); + do { prod = queue->rx.sring->req_prod; cons = queue->rx.req_cons; |