mirror of https://gitee.com/openkylin/linux.git
xen/xen-blkback: preq.dev is used without initialized
If call xen_vbd_translate failed, the preq.dev will be not initialized.
Use blkif->vbd.pdevice instead (still better to print relative info).
Note that before commit 01c681d4c7
(xen/blkback: Don't trust the handle from the frontend.)
the value bogus, as it was the guest provided value from req->u.rw.handle
rather than the actual device.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
parent
087ffecdaa
commit
a72d9002f8
|
@ -904,7 +904,8 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
|
|||
pr_debug(DRV_PFX "access denied: %s of [%llu,%llu] on dev=%04x\n",
|
||||
operation == READ ? "read" : "write",
|
||||
preq.sector_number,
|
||||
preq.sector_number + preq.nr_sects, preq.dev);
|
||||
preq.sector_number + preq.nr_sects,
|
||||
blkif->vbd.pdevice);
|
||||
goto fail_response;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue