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scsi-disk: Fix crash if underlying host file or disk returns error 

Commit 40dce4ee6 "scsi-disk: fix rerror/werror=ignore" introduced a
bug which causes qemu to crash with the assertion error below if the
host file or disk returns an error:

  qemu-system-x86_64: hw/scsi/scsi-bus.c:1374: scsi_req_complete:
  Assertion `req->status == -1' failed.

Kevin Wolf suggested this fix:

  < kwolf> Hm, should the final return false; in that patch
           actually be a return true?
  < kwolf> Because I think he didn't intend to change anything
           except BLOCK_ERROR_ACTION_IGNORE

Buglink: https://bugs.launchpad.net/qemu/+bug/1804323
Fixes: 40dce4ee61
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Richard W.M. Jones 2018-11-21 12:47:47 +00:00 committed by Kevin Wolf
parent 3ecd5a4f19
commit 1c7f618f68
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/scsi-disk.c
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@ -482,7 +482,7 @@ static bool scsi_handle_rw_error(SCSIDiskReq *r, int error, bool acct_failed)
if (action == BLOCK_ERROR_ACTION_STOP) {
scsi_req_retry(&r->req);
}
return false;
return true;
}
static void scsi_write_complete_noio(SCSIDiskReq *r, int ret)