[PATCH 2/2] usb: fastboot: umount device before writing to it

[Oleksij Rempel]

From: Sascha Hauer <s.hauer at pengutronix.de>

When a fastboot target refers to a device and we are going to write
to it, umount it beforehand, so that we do not end up with corrupt
data after writing.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/usb/gadget/f_fastboot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index a6192b9eb..8d69aea8b 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -754,6 +754,7 @@ static void cb_flash(struct usb_ep *ep, struct usb_request *req, const char *cmd
 		goto out;
 	}
 
+	umount(filename);
 copy:
 	ret = copy_file(FASTBOOT_TMPFILE, filename, 1);
 	if (ret) {
-- 
2.11.0