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ahci: clear aiocb in ncq_cb 

Similar to existing fixes for IDE (87ac25fd) and ATAPI (7f951b2d), the
AIOCB must be cleared in the callback. Otherwise, we may accidentally
try to reset a dangling pointer in bdrv_aio_cancel() from a port reset.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1474575040-32079-2-git-send-email-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2016-09-26 14:33:37 -04:00
parent 9da82227ca
commit df403bc588
1 changed files with 1 additions and 0 deletions
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hw/ide/ahci.c
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@ -948,6 +948,7 @@ static void ncq_cb(void *opaque, int ret)
NCQTransferState *ncq_tfs = (NCQTransferState *)opaque; NCQTransferState *ncq_tfs = (NCQTransferState *)opaque;
IDEState *ide_state = &ncq_tfs->drive->port.ifs[0]; IDEState *ide_state = &ncq_tfs->drive->port.ifs[0];
ncq_tfs->aiocb = NULL;
if (ret == -ECANCELED) { if (ret == -ECANCELED) {
return; return;
} }