usb: gadget: f_mass_storage: If 'ro'/'cdrom' specified, open file as read-only
If we don't need Write access then attempt to open backing file in Read Only mode instead of bailing out too soon. Signed-off-by: Roger Quadros <roger.quadros@nokia.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -2757,6 +2757,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
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for (i = 0, lcfg = cfg->luns; i < nluns; ++i, ++curlun, ++lcfg) {
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curlun->cdrom = !!lcfg->cdrom;
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curlun->ro = lcfg->cdrom || lcfg->ro;
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curlun->initially_ro = curlun->ro;
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curlun->removable = lcfg->removable;
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curlun->dev.release = fsg_lun_release;
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curlun->dev.parent = &gadget->dev;
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