If buffers are iterated over in the error case, the lower limits
for quirky devices must be heeded.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
Reported-by: Jean Rene Dawin <jdawin@xxxxxxxxxxxxxxxxxxxxx>
Fixes: a4e7279cd1d19 ("cdc-acm: introduce a cool down")
---
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
