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The UDP checksum was already verified in rxrpc_data_ready() - which calls skb_checksum_complete() - as the RxRPC packet header contains no checksum of its own. Subsequent calls to skb_copy_and_csum_datagram_iovec() are thus redundant and are, in any case, being passed only a subset of the UDP payload - so the checksum will always fail if that path is taken. So there is no need to check skb->ip_summed in rxrpc_recvmsg(), and no need for the csum_copy_error: exit path. Signed-off-by: Tim Smith <tim@electronghost.co.uk> Signed-off-by: David Howells <dhowells@redhat.com>
424 lines
10 KiB
424 lines
10 KiB