Messages in this thread | | | From | Neal Liu <> | Subject | RE: [PATCH] usb: gadget: mass_storage: add READ_TOC cmd mask check | Date | Thu, 27 Jan 2022 02:11:09 +0000 |
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> -----Original Message----- > From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Sent: Wednesday, January 26, 2022 6:51 PM > To: Neal Liu <neal_liu@aspeedtech.com> > Cc: Felipe Balbi <balbi@kernel.org>; Alan Stern <stern@rowland.harvard.edu>; > Chen Lin <chen.lin5@zte.com.cn>; Wesley Cheng > <quic_wcheng@quicinc.com>; Nikita Yushchenko > <nikita.yoush@cogentembedded.com>; Cai Huoqing <caihuoqing@baidu.com>; > linux-usb@vger.kernel.org; linux-kernel@vger.kernel.org; > linux-aspeed@lists.ozlabs.org; BMC-SW <BMC-SW@aspeedtech.com> > Subject: Re: [PATCH] usb: gadget: mass_storage: add READ_TOC cmd mask > check > > On Wed, Jan 26, 2022 at 06:08:56PM +0800, Neal Liu wrote: > > READ_TOC cmnd[2] specifies Format Field which is defined in SCSI-3 > > spec. Add command mask to avoid marking this sense data as invalid. > > > > Signed-off-by: Neal Liu <neal_liu@aspeedtech.com> > > --- > > drivers/usb/gadget/function/f_mass_storage.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/usb/gadget/function/f_mass_storage.c > > b/drivers/usb/gadget/function/f_mass_storage.c > > index 46dd11dcb3a8..14d51695b8ae 100644 > > --- a/drivers/usb/gadget/function/f_mass_storage.c > > +++ b/drivers/usb/gadget/function/f_mass_storage.c > > @@ -1944,7 +1944,7 @@ static int do_scsi_command(struct fsg_common > *common) > > common->data_size_from_cmnd = > > get_unaligned_be16(&common->cmnd[7]); > > reply = check_command(common, 10, DATA_DIR_TO_HOST, > > - (7<<6) | (1<<1), 1, > > + (7<<6) | (1<<1) | (1<<2), 1, > > Can we have real names here instead of magic numbers? > > And what commit does this fix? Is it a regression or has it always never > worked properly? > > thanks, > > greg k-h
This patch fix Windows Server OS installation failure problem. Since @Roger already sent similar patch fixed, I'll try it. https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?h=usb-testing&id=89ada0fe669a7abf8777b793b874202a0767a24f Thanks
-Neal
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