tree bc92a402a4d710718883e67eeab6e0ced221e7ff
parent 41b8c853a495438208faa5be03bbb0050859163b
author Hannes Reinecke <hare@suse.de> 1234949415 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1234949656 +0100

block: fix deadlock in blk_abort_queue() for drivers that readd to timeout list

blk_abort_queue() iterates the timeout list and aborts each request on the
list, but if the driver error handling readds a request to the timeout list
during this processing, we could be looping forever. Fix this by splicing
current entries to a local list and run over that list instead.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>