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

From: Roger Quadros
Date: Tue Apr 05 2011 - 11:35:03 EST


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>
---
drivers/usb/gadget/f_mass_storage.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 90472af..5d7de93 100644
--- 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;
--
1.6.0.4

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