xen: xenbus: Catch closing of non existent transactions

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Users of the xenbus functions should never close a non existent
transaction (for example by trying to closing the same transaction
twice) but better catch it in xs_request_exit() than to corrupt the
reference counter.

Signed-off-by: Simon Gaiser <simon@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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Simon Gaiser 2018-03-15 03:43:21 +01:00 • committed by Boris Ostrovsky

parent 2a22ee6c3a

commit b93008d1ac

1 changed files with 3 additions and 1 deletions

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drivers/xen/xenbus/xenbus_xs.c

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