Re: [PATCH v2 3/3] usb: storage: adjust module reference for scsi host

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On Wed, 7 Jan 2015, Akinobu Mita wrote:

> While accessing a unusual usb storage (ums-alauda, ums-cypress, ...),
> the module reference count is not incremented.  Because these drivers
> allocate scsi hosts with usb_stor_host_template defined in usb-storage
> module.  So these drivers always can be unloaded.
> 
> This fixes it by passing correct module reference to usb_stor_probe1() to
> adjust it after scsi host allocation.
> 
> Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
> Cc: Matthew Dharm <mdharm-usb@xxxxxxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx>
> Cc: linux-usb@xxxxxxxxxxxxxxx
> Cc: usb-storage@xxxxxxxxxxxxxxxxxxxxxxxx
> Cc: linux-scsi@xxxxxxxxxxxxxxx
> ---
> * v2:
> - Pass correct module reference to usb_stor_probe1() instead of touching
>   all ums-* drivers, suggested by Alan Stern

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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