[PATCH v3] scsi: sg: Avoid race in error handling & drop bogus warn

Martin K. Petersen martin.petersen at oracle.com
Sat Apr 6 12:58:31 AEDT 2024


On Mon, 01 Apr 2024 21:10:38 +0200, Alexander Wetzel wrote:

> commit 27f58c04a8f4 ("scsi: sg: Avoid sg device teardown race")
> introduced an incorrect WARN_ON_ONCE() and missed a sequence where
> sg_device_destroy() was used after scsi_device_put().
> 
> sg_device_destroy() is accessing the parent scsi_device request_queue which
> will already be set to NULL when the preceding call to scsi_device_put()
> removed the last reference to the parent scsi_device.
> 
> [...]

Applied to 6.9/scsi-fixes, thanks!

[1/1] scsi: sg: Avoid race in error handling & drop bogus warn
      https://git.kernel.org/mkp/scsi/c/d4e655c49f47

-- 
Martin K. Petersen	Oracle Linux Engineering


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