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(parent: d304815) | patch
can: mcp251xfd: mcp251xfd_hw_rx_obj_to_skb(): don't copy data for RTR CAN frames...
authorMarc Kleine-Budde <mkl@pengutronix.de>
Mon, 21 Dec 2020 20:34:50 +0000 (21:34 +0100)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 27 Jan 2021 09:01:47 +0000 (10:01 +0100)
commit72e39bb1a9b30195eb7d5326c5b4d74fe30e46a2
treeca0dfc9609e08f58209a7b6bb99d8a1df0967a81tree | snapshot
parentd304815fdcf6fb90725f88345728a37236da2a7acommit | diff
can: mcp251xfd: mcp251xfd_hw_rx_obj_to_skb(): don't copy data for RTR CAN frames in RX-path

In Classical CAN there are RTR frames. RTR frames have the RTR bit set, may
have a dlc != 0, but contain no data.

This patch changes the RX-path to no copy any data for RTR frames, so that the
data field in the CAN frame stays 0x0.

Link: https://lore.kernel.org/r/20210114153448.1506901-4-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c diff | blob | history
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