Messages in this thread | | | Date | Mon, 19 May 2008 20:45:14 +0300 | From | Boaz Harrosh <> | Subject | Re: [Re: Linux 2.6.26-rc2] Write protect on on |
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Linus Torvalds wrote: > > On Mon, 19 May 2008, Boaz Harrosh wrote: >> Sure, inspecting other places that emulate MODE_SENSE, (And inspecting the scsi >> spec) all zeros is a very good scsi response. Alan do you want to send a fix for all >> places that initiate a MODE_SENSE command, specifically at >> scsi_scan.c::scsi_unlock_floptical() ? (Some other places do) > > I was actualyl more thinking that the safest thing to do would be to just > pre-clear the sense buffer. Then, if some driver doesn't fill it > correctly, big deal..
The sense buffer *is* always cleared and it is mandated by scsi spec. But the problem above is that the actual data buffer for read, had garbage data, and *no* read was actually preformed do to none-standard device response.
> > It's not like pre-clearing the bugger is a performance issue. > > Linus > --
Boaz
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