CDC-ACM: heed quirk also in error handling
commit5.4-rM2-2.2.x-imx-squashed97fe809934
upstream. If buffers are iterated over in the error case, the lower limits for quirky devices must be heeded. Signed-off-by: Oliver Neukum <oneukum@suse.com> Reported-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de> Fixes:a4e7279cd1
("cdc-acm: introduce a cool down") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200526124420.22160-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -584,7 +584,7 @@ static void acm_softint(struct work_struct *work)
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}
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if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
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for (i = 0; i < ACM_NR; i++)
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for (i = 0; i < acm->rx_buflimit; i++)
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if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
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acm_submit_read_urb(acm, i, GFP_NOIO);
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}
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