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[PATCH] ide: fix null request pointer for taskfile ioctl

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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 <timothy.thelin@wdc.com>
Cc: "Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Timothy Thelin 2005-09-16 19:28:16 -07:00 committed by Linus Torvalds
parent 9564df1ff3
commit ef0f6a437f
1 changed files with 1 additions and 0 deletions
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1
drivers/ide/ide-taskfile.c
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@ -500,6 +500,7 @@ static int ide_diag_taskfile(ide_drive_t *drive, ide_task_t *args, unsigned long
}
rq.special = args;
args->rq = &rq;
return ide_do_drive_cmd(drive, &rq, ide_wait);
}