Re: [linux-usb-devel] [PATCH] base/class.c: prevent ooops due to insert/remove race (v3)

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Alan Stern wrote:
On Thu, 29 Nov 2007, Mark Lord wrote:

So again, the problem is in the higher up scsi layer, and that is where
the problem should already be fixed.
..

Ahhh.. so you figure the Oops should also have been fixed
as part of the 2.6.24 SCSI fixes ?  That's what I was missing here.

Yes indeed. I wish I could point you to the exact patch containing the fix, but the git software seems to have lost track of it (it's combined in with a large number of other patches with no obvious way to separate it out). It's also available in the various mailing list archives, but I don't have a pointer to it and there's no reasonable way to search for it.

The patch in question was written by Matthew Wilcox; it added code to the SCSI async-scanning routines to utilize the scan_mutex. IMO it should have been applied to 2.6.23 but it wasn't.
..

Ahh.  Well, thanks for the *great* followup, Alan!

Cheers
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