pnp_device_id are not supposed to change at runtime. All functions working with pnp_device_id provided by <linux/pnp.h> work with const pnp_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- drivers/scsi/aha1542.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index a23cc9a..1242179 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -986,7 +986,7 @@ static struct isa_driver aha1542_isa_driver = { static int isa_registered; #ifdef CONFIG_PNP -static struct pnp_device_id aha1542_pnp_ids[] = { +static const struct pnp_device_id aha1542_pnp_ids[] = { { .id = "ADP1542" }, { .id = "" } }; -- 2.7.4