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Commit f2949d5c authored by Sreelakshmi Gownipalli's avatar Sreelakshmi Gownipalli Committed by Gerrit - the friendly Code Review server
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diag: Don't queue read to usb during disconnect 



Don't queue read to usb again when usb returns EIO error. Requeue
the buffer to usb again only after receiving connect event.

Change-Id: I18796722ad3b9baee26ed692f27eb9684ee37158
Signed-off-by: default avatarSreelakshmi Gownipalli <sgownipa@codeaurora.org>
parent f6fbeafa

drivers/char/diag/diag_usb.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -286,7 +286,7 @@ static void usb_read_work_fn(struct work_struct *work) 
		req->buf = ch->read_buf;

		req->buf = ch->read_buf;

		req->length = USB_MAX_OUT_BUF;

		req->length = USB_MAX_OUT_BUF;

		err = usb_diag_read(ch->hdl, req);

		err = usb_diag_read(ch->hdl, req);

		if (err) {

		if (err && err != -EIO) {

			pr_debug("diag: In %s, error in reading from USB %s, err: %d\n",

			pr_debug("diag: In %s, error in reading from USB %s, err: %d\n",

				 __func__, ch->name, err);

				 __func__, ch->name, err);

			atomic_set(&ch->read_pending, 0);

			atomic_set(&ch->read_pending, 0);