Commit e4b38fc2 authored Apr 15, 2020 by Udipto Goswami

usb: f_qdss: Setting channel to NULL in qdss_close



When qdss_close is executed before disconnect_work
there is possibility that from disconnect_work channel
priv would be passed as NULL to the notifier resulting
in page fault error.

Fix this by setting notify to NULL on qdss_close.

Change-Id: Ifdfc43733221fdc1dc3bcd8a40f32e1b021398a8
Signed-off-by: Udipto Goswami <ugoswami@codeaurora.org>

parent 7caba938

drivers/usb/gadget/function/f_qdss.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1034,6 +1034,7 @@ void usb_qdss_close(struct usb_qdss_ch *ch)
		usb_qdss_free_req(ch);
		close:
		ch->priv_usb = NULL;
		ch->notify = NULL;
		if (!qdss \|\| !qdss->usb_connected \|\|
		!strcmp(qdss->ch.name, USB_QDSS_CH_MDM)) {
		ch->app_conn = 0;