Commit 3c624d49 authored Apr 05, 2011 by Roger Quadros Committed by Greg Kroah-Hartman Apr 13, 2011

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>

parent 73ee4da9

drivers/usb/gadget/f_mass_storage.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2757,6 +2757,7 @@ static struct fsg_common fsg_common_init(struct fsg_common common,
		for (i = 0, lcfg = cfg->luns; i < nluns; ++i, ++curlun, ++lcfg) {
		curlun->cdrom = !!lcfg->cdrom;
		curlun->ro = lcfg->cdrom \|\| lcfg->ro;
		curlun->initially_ro = curlun->ro;
		curlun->removable = lcfg->removable;
		curlun->dev.release = fsg_lun_release;
		curlun->dev.parent = &gadget->dev;