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301e99ce4a
One the changes in commit d7979ae4a "svc: Move close processing to a
single place" is:
err_delete:
- svc_delete_socket(svsk);
+ set_bit(SK_CLOSE, &svsk->sk_flags);
return -EAGAIN;
This is insufficient. The recvfrom methods must always call
svc_xprt_received on completion so that the socket gets re-queued if
there is any more work to do. This particular path did not make that
call because it actually destroyed the svsk, making requeue pointless.
When the svc_delete_socket was change to just set a bit, we should have
added a call to svc_xprt_received,
This is the problem that b0401d7253 attempted to fix, incorrectly.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>