From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: [PATCH 2/2] usb: storage: scsiglue: Do not skip VPD if try_vpd_pages is set Date: Tue, 18 Jun 2019 18:07:24 +0200 Message-ID: <20190618160724.GB27611@kroah.com> References: <20190618013146.21961-3-marcos.souza.org@gmail.com> <20190618151737.GA16959@geeko> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190618151737.GA16959@geeko> Sender: linux-kernel-owner@vger.kernel.org To: Marcos Paulo de Souza Cc: Alan Stern , Kernel development list , SCSI development list , "open list:USB MASS STORAGE DRIVER" , "open list:USB MASS STORAGE DRIVER" List-Id: linux-scsi@vger.kernel.org On Tue, Jun 18, 2019 at 12:17:39PM -0300, Marcos Paulo de Souza wrote: > On Tue, Jun 18, 2019 at 09:48:01AM -0400, Alan Stern wrote: > > On Mon, 17 Jun 2019, Marcos Paulo de Souza wrote: > > > > > If BLIST_TRY_VPD_PAGES is set for a device, even for an USB, it should > > > be honored, so only set skip_vpd_pages is try_vpd_pages is not set. > > > > > > Signed-off-by: Marcos Paulo de Souza > > > --- > > > drivers/usb/storage/scsiglue.c | 7 +++++-- > > > 1 file changed, 5 insertions(+), 2 deletions(-) > > > > > > diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c > > > index 59190d88fa9f..0a9520780771 100644 > > > --- a/drivers/usb/storage/scsiglue.c > > > +++ b/drivers/usb/storage/scsiglue.c > > > @@ -195,8 +195,11 @@ static int slave_configure(struct scsi_device *sdev) > > > */ > > > sdev->skip_ms_page_8 = 1; > > > > > > - /* Some devices don't handle VPD pages correctly */ > > > - sdev->skip_vpd_pages = 1; > > > + /* > > > + * Some devices don't handle VPD pages correctly, so skip vpd > > > + * pages if not forced by SCSI layer. > > > + */ > > > + sdev->skip_vpd_pages = sdev->try_vpd_pages == 0; > > > > > > /* Do not attempt to use REPORT SUPPORTED OPERATION CODES */ > > > sdev->no_report_opcodes = 1; > > > > Acked-by: Alan Stern > > > > Although I think it would be clearer to write: > > > > sdev->skip_vpd_pages = !sdev->try_vpd_pages; > > I agree. Greg, would you like me to send a v2 of this patch with this change, or > can you apply the change suggested by Alan? I do not hand-edit patches, sorry. It does not scale, please resend. greg k-h