"ser_device.state" is "unsigned long", i.e. 32-bit or 64-bit, depending on the platform. Hence casting its address to "u32 *", and calling debugfs_create_x32() breaks operation on 64-bit platforms. Fix this by using the new debugfs_create_xul() helper instead. Fixes: 9b27105b4a44c54b ("net-caif-driver: add CAIF serial driver (ldisc)") Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- v2: - No changes. --- drivers/net/caif/caif_serial.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index 40b079162804fb0c..bd40b114d6cd7214 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -102,8 +102,8 @@ static inline void debugfs_init(struct ser_device *ser, struct tty_struct *tty) debugfs_create_blob("last_rx_msg", 0400, ser->debugfs_tty_dir, &ser->rx_blob); - debugfs_create_x32("ser_state", 0400, ser->debugfs_tty_dir, - (u32 *)&ser->state); + debugfs_create_xul("ser_state", 0400, ser->debugfs_tty_dir, + &ser->state); debugfs_create_x8("tty_status", 0400, ser->debugfs_tty_dir, &ser->tty_status); -- 2.17.1