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rt2x00: do not mark device gone on EPROTO errors during start

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commit ed53ae7569 upstream.

As reported by Exuvo is possible that we have lot's of EPROTO errors
during device start i.e. firmware load. But after that device works
correctly. Hence marking device gone by few EPROTO errors done by
commit e383c70474 ("rt2x00: check number of EPROTO errors") caused
regression - Exuvo device stop working after kernel update. To fix
disable the check during device start.

Link: https://lore.kernel.org/linux-wireless/bff7d309-a816-6a75-51b6-5928ef4f7a8c@exuvo.se/
Reported-and-tested-by: Exuvo <exuvo@exuvo.se>
Fixes: e383c70474 ("rt2x00: check number of EPROTO errors")
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211111141003.GA134627@wp.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stanislaw Gruszka
2021-11-11 15:10:03 +01:00
committed by Greg Kroah-Hartman
parent c200721f8e
commit de4f5eb02c
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
View File

@@ -25,6 +25,9 @@ static bool rt2x00usb_check_usb_error(struct rt2x00_dev *rt2x00dev, int status)
if (status == -ENODEV || status == -ENOENT)
return true;
if (!test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
return false;
if (status == -EPROTO || status == -ETIMEDOUT)
rt2x00dev->num_proto_errs++;
else