netdevsim: make nsim_bus const

Now that the driver core can properly handle constant struct bus_type,
move the nsim_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/netdevsim/bus.c b/drivers/net/netdevsim/bus.c
index bcbc1e19edde44bcd514f4b0904de2f33165cdd6..aedab1d9623a1123efc5915830c866fad6df2cd6 100644 (file)
--- a/drivers/net/netdevsim/bus.c
+++ b/drivers/net/netdevsim/bus.c
@@ -260,7 +260,7 @@ static int nsim_num_vf(struct device *dev)
        return nsim_bus_dev->num_vfs;
 }
 
-static struct bus_type nsim_bus = {
+static const struct bus_type nsim_bus = {
        .name           = DRV_NAME,
        .dev_name       = DRV_NAME,
        .bus_groups     = nsim_bus_groups,