samples/bpf: deal with EBUSY return code from sendmsg in xdpsock sample
Sendmsg in the SKB path of AF_XDP can now return EBUSY when a packet was discarded and completed by the driver. Just ignore this message in the sample application. Fixes: b4b8faa1 ("samples/bpf: sample application and documentation for AF_XDP sockets") Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Reported-by: Pavel Odintsov <pavel@fastnetmon.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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