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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:15:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:15:09 +0000 |
commit | d78786f17f03109c3e9c7043b1b63f947afb0ee0 (patch) | |
tree | 58709afdbb58c9a8b795c712d281a6b5710d36cc /net/ipv4/ip_tunnel.c | |
parent | Adding debian version 4.19.269-1. (diff) | |
download | linux-d78786f17f03109c3e9c7043b1b63f947afb0ee0.tar.xz linux-d78786f17f03109c3e9c7043b1b63f947afb0ee0.zip |
Merging upstream version 4.19.282.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | net/ipv4/ip_tunnel.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 30e93b4f8..9c2381cf6 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -609,10 +609,10 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, u8 proto) else if (skb->protocol == htons(ETH_P_IP)) df = inner_iph->frag_off & htons(IP_DF); headroom += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len; - if (headroom > dev->needed_headroom) - dev->needed_headroom = headroom; + if (headroom > READ_ONCE(dev->needed_headroom)) + WRITE_ONCE(dev->needed_headroom, headroom); - if (skb_cow_head(skb, dev->needed_headroom)) { + if (skb_cow_head(skb, READ_ONCE(dev->needed_headroom))) { ip_rt_put(rt); goto tx_dropped; } @@ -777,10 +777,10 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr) + rt->dst.header_len + ip_encap_hlen(&tunnel->encap); - if (max_headroom > dev->needed_headroom) - dev->needed_headroom = max_headroom; + if (max_headroom > READ_ONCE(dev->needed_headroom)) + WRITE_ONCE(dev->needed_headroom, max_headroom); - if (skb_cow_head(skb, dev->needed_headroom)) { + if (skb_cow_head(skb, READ_ONCE(dev->needed_headroom))) { ip_rt_put(rt); dev->stats.tx_dropped++; kfree_skb(skb); |