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Andreas Larsson 11adc9ab3e can: grcan: only use the NAPI poll budget for RX

commit 2873d4d52f upstream.

The previous split budget between TX and RX made it return not using
the entire budget but at the same time not having calling called
napi_complete. This sometimes led to the poll to not be called, and at
the same time having TX and RX interrupts disabled resulting in the
driver getting stuck.

Fixes: 6cec9b07fe ("can: grcan: Add device driver for GRCAN and GRHCAN cores")
Link: https://lore.kernel.org/all/20220429084656.29788-4-andreas@gaisler.com
Cc: stable@vger.kernel.org
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-05-12 12:25:36 +02:00

c_can

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cc770

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dev

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ifi_canfd

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m_can

can: m_can: m_can_tx_handler(): fix use after free of skb

2022-04-08 14:40:44 +02:00