From: Sanjay Singh Rawat Date: Wed, 22 Jul 2015 10:59:46 +0000 (+0530) Subject: usb: gadget: f_mass_storage: stop thread in bind failure case X-Git-Tag: v4.3-rc1~156^2~35^2~71 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=8078f314b8c8012cf36e5decc75378b803bfba4d;p=linux.git usb: gadget: f_mass_storage: stop thread in bind failure case After the worker thread is launched, bind function is doing further configuration. In case of failure stop the thread. Acked-by: Michal Nazarewicz Signed-off-by: Sanjay Singh Rawat Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index a2291946ca7e..f94a8e2e9b60 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -3081,7 +3081,7 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) /* New interface */ i = usb_interface_id(c, f); if (i < 0) - return i; + goto fail; fsg_intf_desc.bInterfaceNumber = i; fsg->interface_number = i; @@ -3124,7 +3124,14 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) autoconf_fail: ERROR(fsg, "unable to autoconfigure all endpoints\n"); - return -ENOTSUPP; + i = -ENOTSUPP; +fail: + /* terminate the thread */ + if (fsg->common->state != FSG_STATE_TERMINATED) { + raise_exception(fsg->common, FSG_STATE_EXIT); + wait_for_completion(&fsg->common->thread_notifier); + } + return i; } /****************************** ALLOCATE FUNCTION *************************/