pvcalls-back: set -ENOTCONN in pvcalls_conn_back_read

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When a connection is closing we receive on pvcalls_sk_state_change
notification. Instead of setting the connection as closed immediately
(-ENOTCONN), let's read one more time from it: pvcalls_conn_back_read
will set the connection as closed when necessary.

That way, we avoid races between pvcalls_sk_state_change and
pvcalls_back_ioworker.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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Stefano Stabellini 2018-12-21 15:06:33 -08:00 • committed by Boris Ostrovsky

parent d90a1ca60a

commit e6587cdbd7

1 changed files with 4 additions and 3 deletions

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drivers/xen/pvcalls-back.c

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