summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/hamradio/baycom_ser_fdx.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index 30baf6e..17ac697 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -415,11 +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);
OpenPOWER on IntegriCloud