[1516] in linux-net channel archive
3c505 [patch]
daemon@ATHENA.MIT.EDU (Philip Blundell)
Tue Dec 12 22:46:53 1995
Date: Tue, 12 Dec 1995 15:12:45 +0000 (GMT)
From: Philip Blundell <pjb27@cam.ac.uk>
To: linux-net@vger.rutgers.edu
The current 3c505 driver autoprobes recklessly, without checking that the
region it's attacking hasn't already been claimed. This short patch
fixes it to be slightly less antisocial.
--- linux-1.3.45-old/drivers/net/3c505.c Sat Dec 2 15:41:04 1995
+++ linux/drivers/net/3c505.c Mon Dec 11 19:34:33 1995
@@ -1284,9 +1284,13 @@
int addr=dev->base_addr;
const char *name=dev->name;
long flags;
+ byte orig_HCR, orig_HSR;
- byte orig_HCR=inb_control(addr),
- orig_HSR=inb_status(addr);
+ if (check_region(addr, 0xf))
+ return -1;
+
+ orig_HCR=inb_control(addr);
+ orig_HSR=inb_status(addr);
if (elp_debug > 0)
printk(search_msg, name, addr);
--
philip blundell trinity college cambridge 01223 356256 pjb27@cam.ac.uk
