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authorAlexander Graf <agraf@suse.de>2012-01-30 23:29:47 +0100
committerKevin Wolf <kwolf@redhat.com>2012-02-09 16:17:51 +0100
commitc9b308d20b642c106048f088ccc31f2aa7cf59ba (patch)
tree16185fd57de00dd04d669d0e2c4bdb2db3e4409d /hw/milkymist.c
parentea8f978ffef325ab2fd0edcf5f24b6dcec6078f3 (diff)
AHCI: Fix port reset race
bdrv_aio_cancel() can trigger bdrv_aio_flush() which makes all aio that is currently in flight finish. So what we do is: port reset detect ncq in flight cancel ncq delete ncq sg list at which point we have double freed the sg list. Instead, with this patch we do: port reset detect ncq in flight cancel ncq check if we are really still in flight delete ncq sg list which makes things work and gets rid of the race. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/milkymist.c')
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