From 338fe738603d2612a317c9bec98236eb094ae109 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Mon, 25 May 2020 14:21:44 +0200 Subject: [PATCH] CDC-ACM: heed quirk also in error handling If buffers are iterated over in the error case, the lower limits for quirky devices must be heeded. Signed-off-by: Oliver Neukum --- drivers/usb/class/cdc-acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 7678ae4afd53..be4543569822 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -585,7 +585,7 @@ static void acm_softint(struct work_struct *work) } if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) { - for (i = 0; i < ACM_NR; i++) + for (i = 0; i < acm->rx_buflimit; i++) if (test_and_clear_bit(i, &acm->urbs_in_error_delay)) acm_submit_read_urb(acm, i, GFP_NOIO); } -- 2.16.4