On 07.12.2021 21:15:29, Vincent Mailhol wrote: > The actual payload length of the CAN Remote Transmission Request (RTR) > frames is always 0, i.e. nothing is transmitted on the wire. However, ^^^^^^^ I've changed this to "no payload" to make it more unambiguous. > those RTR frames still use the DLC to indicate the length of the > requested frame. > > For this reason, it is incorrect to copy the payload of RTR frames > (the payload buffer would only contain garbage data). This patch > encapsulates the payload copy in a check toward the RTR flag. > > CC: Yasushi SHOJI <yashi@xxxxxxxxxxxxxxx> > Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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