ccw_device_id are not supposed to change at runtime. All functions working with ccw_device_id provided by <asm/ccwdev.h> work with const ccw_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/s390/char/tape_34xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index de69f0d..7204b6f 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -1165,7 +1165,7 @@ static struct tape_discipline tape_discipline_34xx = { .mtop_array = tape_34xx_mtop }; -static struct ccw_device_id tape_34xx_ids[] = { +static const struct ccw_device_id tape_34xx_ids[] = { { CCW_DEVICE_DEVTYPE(0x3480, 0, 0x3480, 0), .driver_info = tape_3480}, { CCW_DEVICE_DEVTYPE(0x3490, 0, 0x3490, 0), .driver_info = tape_3490}, { /* end of list */ }, -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html