net: bna: use correct type specifier (2)

add and val are read with
sscanf(kern_buf, "%x:%x", &addr, &val);
and used as arguments for bna_reg_offset_check and writel
so they have to be unsigned.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/brocade/bna/bnad_debugfs.c

@@ -373,7 +373,8 @@ bnad_debugfs_write_regwr(struct file *file, const char __user *buf,
 	struct bnad_debug_info *debug = file->private_data;
 	struct bnad *bnad = (struct bnad *)debug->i_private;
 	struct bfa_ioc *ioc = &bnad->bna.ioceth.ioc;
-	int addr, val, rc;
+	int rc;
+	u32 addr, val;
 	void __iomem *reg_addr;
 	unsigned long flags;
 	void *kern_buf;