Re: [PATCH v3] scsi: fc: check for rport presence in fc_block_scsi_eh

From: Martin K. Petersen
Date: Wed Oct 11 2017 - 14:33:59 EST



Johannes,

> Coverity-scan recently found a possible NULL pointer dereference in
> fc_block_scsi_eh() as starget_to_rport() either returns the rport for
> the startget or NULL.
>
> While it is rather unlikely to have fc_block_scsi_eh() called without
> an rport associated it's a good idea to catch potential misuses of the
> API gracefully.

Applied to 4.14/scsi-fixes. Thanks!

--
Martin K. Petersen Oracle Linux Engineering