devlink: Make port index data type as unsigned int

Devlink port index attribute is returned to users as u32 through
netlink response.
Change index data type from 'unsigned' to 'unsigned int' to avoid
below checkpatch.pl warning.

WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
81: FILE: include/net/devlink.h:81:
+       unsigned index;
Acked-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NParav Pandit <parav@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/devlink.h

@@ -75,7 +75,7 @@ struct devlink_port {
 	struct list_head list;
 	struct list_head param_list;
 	struct devlink *devlink;
-	unsigned index;
+	unsigned int index;
 	bool registered;
 	spinlock_t type_lock; /* Protects type and type_dev
 			       * pointer consistency.

net/core/devlink.c

@@ -136,7 +136,7 @@ static struct devlink *devlink_get_from_info(struct genl_info *info)
 }
 
 static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
-						      int port_index)
+						      unsigned int port_index)
 {
 	struct devlink_port *devlink_port;
 
@@ -147,7 +147,8 @@ static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink,
 	return NULL;
 }
 
-static bool devlink_port_index_exists(struct devlink *devlink, int port_index)
+static bool devlink_port_index_exists(struct devlink *devlink,
+				      unsigned int port_index)
 {
 	return devlink_port_get_by_index(devlink, port_index);
 }