From 7f78b843e24298f23696ed71b90ac6d992bd0e1b Mon Sep 17 00:00:00 2001 From: hwg Date: Thu, 13 Sep 2012 11:15:37 +0800 Subject: [PATCH] mtp: solve open_excl lock problem --- drivers/usb/gadget/f_mtp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/f_mtp.c b/drivers/usb/gadget/f_mtp.c index 034cdf68f9f6..363e7c0d0add 100755 --- a/drivers/usb/gadget/f_mtp.c +++ b/drivers/usb/gadget/f_mtp.c @@ -1165,6 +1165,8 @@ static int mtp_function_set_alt(struct usb_function *f, return ret; } dev->state = STATE_READY; + + atomic_set(&dev->open_excl, 0); // solve open_excl lock problem, add by Huweiguo /* readers may be blocked waiting for us to go online */ wake_up(&dev->read_wq); -- 2.34.1