When doing ioctl HDIO_DRIVE_TASKFILE, the ide_task_t's
request pointer is never set, but flagged_taskfile and
do_rw_taskfile pass it as a parameter to the prehandler.
The kernel will oops taskfile pio-out commands because of this
(taskfile pio-in doesn't use a prehandler). This fix sets the
request pointer at the time the request is created to stop this
oops.
Signed-off-by: Timothy Thelin <[email protected]>
--- linux-2.6.13.orig/drivers/ide/ide-taskfile.c 2005-08-28
16:41:01.000000000 -0700
+++ linux-2.6.13/drivers/ide/ide-taskfile.c 2005-09-09
13:47:41.000000000 -0700
@@ -500,6 +500,7 @@ static int ide_diag_taskfile(ide_drive_t
}
rq.special = args;
+ args->rq = &rq;
return ide_do_drive_cmd(drive, &rq, ide_wait);
}
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