[PATCH bpf v2 0/4] Bug fixes to the SKB TX path of AF_XDP

This patch set fixes three bugs in the SKB TX path of AF_XDP.
Details in the individual commits.

The structure of the patch set is as follows:

Patch 1: Fix for lost completion message
Patch 2-3: Fix for possible multiple completions of single packet
Patch 4: Fix potential race during error

Changes from v1:

* Added explanation of race in commit message of patch 4.

/Magnus

Magnus Karlsson (4):
  xsk: fix potential lost completion message in SKB path
  xsk: frame could be completed more than once in SKB path
  samples/bpf: deal with EBUSY return code from sendmsg in xdpsock
    sample
  xsk: fix potential race in SKB TX completion code

 include/net/xdp_sock.h     |  4 ++++
 net/xdp/xsk.c              | 10 +++++++---
 net/xdp/xsk_queue.h        |  9 ++-------
 samples/bpf/xdpsock_user.c |  2 +-
 4 files changed, 14 insertions(+), 11 deletions(-)