diff options
Diffstat (limited to 'drivers/net/hamradio/baycom_ser_fdx.c')
| -rw-r--r-- | drivers/net/hamradio/baycom_ser_fdx.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c index 59214e74b9cf..17ac6975d70d 100644 --- a/drivers/net/hamradio/baycom_ser_fdx.c +++ b/drivers/net/hamradio/baycom_ser_fdx.c @@ -75,12 +75,14 @@ #include <linux/ioport.h> #include <linux/string.h> #include <linux/init.h> -#include <asm/uaccess.h> -#include <asm/io.h> #include <linux/hdlcdrv.h> #include <linux/baycom.h> #include <linux/jiffies.h> +#include <asm/uaccess.h> +#include <asm/io.h> +#include <asm/irq.h> + /* --------------------------------------------------------------------- */ #define BAYCOM_DEBUG @@ -413,11 +415,18 @@ static int ser12_open(struct net_device *dev) if (!dev || !bc) return -ENXIO; - if (!dev->base_addr || dev->base_addr > 0x1000-SER12_EXTENT || - dev->irq < 2 || dev->irq > 15) + if (!dev->base_addr || dev->base_addr > 0xffff-SER12_EXTENT || + dev->irq < 2 || dev->irq > NR_IRQS) { + printk(KERN_INFO "baycom_ser_fdx: invalid portnumber (max %u) " + "or irq (2 <= irq <= %d)\n", + 0xffff-SER12_EXTENT, NR_IRQS); return -ENXIO; - if (bc->baud < 300 || bc->baud > 4800) + } + if (bc->baud < 300 || bc->baud > 4800) { + printk(KERN_INFO "baycom_ser_fdx: invalid baudrate " + "(300...4800)\n"); return -EINVAL; + } if (!request_region(dev->base_addr, SER12_EXTENT, "baycom_ser_fdx")) { printk(KERN_WARNING "BAYCOM_SER_FSX: I/O port 0x%04lx busy \n", dev->base_addr); |