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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-12 16:25:00 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-12 16:25:00 -0300 |
| commit | 272172bd418cc32aa466588150c8001bc229c712 (patch) | |
| tree | f529a66933e79ba1f3753e8185112538e861c967 /net/core/dev.c | |
| parent | 7f06d0aa530cc61cb5e048d4eb34921dee12058a (diff) | |
| parent | d45331b00ddb179e291766617259261c112db872 (diff) | |
| download | kernel_replicant_linux-272172bd418cc32aa466588150c8001bc229c712.tar.gz kernel_replicant_linux-272172bd418cc32aa466588150c8001bc229c712.tar.bz2 kernel_replicant_linux-272172bd418cc32aa466588150c8001bc229c712.zip | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To get closer to upstream and check if we need to sync more UAPI
headers, pick up fixes for libbpf that prevent perf's container tests
from completing successfuly, etc.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index fc676b2610e3..0891f499c1bb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4374,12 +4374,17 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb, act = bpf_prog_run_xdp(xdp_prog, xdp); + /* check if bpf_xdp_adjust_head was used */ off = xdp->data - orig_data; - if (off > 0) - __skb_pull(skb, off); - else if (off < 0) - __skb_push(skb, -off); - skb->mac_header += off; + if (off) { + if (off > 0) + __skb_pull(skb, off); + else if (off < 0) + __skb_push(skb, -off); + + skb->mac_header += off; + skb_reset_network_header(skb); + } /* check if bpf_xdp_adjust_tail was used. it can only "shrink" * pckt. @@ -9701,6 +9706,8 @@ static void __net_exit default_device_exit(struct net *net) /* Push remaining network devices to init_net */ snprintf(fb_name, IFNAMSIZ, "dev%d", dev->ifindex); + if (__dev_get_by_name(&init_net, fb_name)) + snprintf(fb_name, IFNAMSIZ, "dev%%d"); err = dev_change_net_namespace(dev, &init_net, fb_name); if (err) { pr_emerg("%s: failed to move %s to init_net: %d\n", |