Re: [PATCH 2/5] usb: gadget: f_mass_storage: If 'ro'/'cdrom'specified, open file as read-only

From: Michal Nazarewicz
Date: Tue Apr 05 2011 - 12:04:38 EST


On Tue, 05 Apr 2011 17:36:39 +0200, Roger Quadros <roger.quadros@xxxxxxxxx> wrote:
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@xxxxxxxxx>

Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2810,6 +2810,7 @@ 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;

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Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michal "mina86" Nazarewicz (o o)
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