On 06.09.2021 16:37:02, Tong Zhang wrote: > the pdev maybe not a platform device, e.g. c_can_pci device, > in this case, calling to_platform_device() would not make sense. > Also, per the comment in drivers/net/can/c_can/c_can_ethtool.c, @bus_info > sould match dev_name() string, so I am replacing this with dev_name() to ^^^^^ should Fixed while applying. > fix this issue. > > [ 1.458583] BUG: unable to handle page fault for address: 0000000100000000 > [ 1.460921] RIP: 0010:strnlen+0x1a/0x30 > [ 1.466336] ? c_can_get_drvinfo+0x65/0xb0 [c_can] > [ 1.466597] ethtool_get_drvinfo+0xae/0x360 > [ 1.466826] dev_ethtool+0x10f8/0x2970 > [ 1.467880] sock_ioctl+0xef/0x300 > > Fixes: 2722ac986e93 ("can: c_can: add ethtool support") > Signed-off-by: Tong Zhang Applied to linux-can/testing + added stable on Cc. regards, 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 |