* [PATCH] PnP BIOS: io range length bugfix
@ 2001-07-20 6:18 Andrey Panin
0 siblings, 0 replies; only message in thread
From: Andrey Panin @ 2001-07-20 6:18 UTC (permalink / raw)
To: linux-kernel
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Hi all,
this patch fixes bug in pnpbios_rawdata_2_pci_dev() - miscalculated length of
ioport range. This function uses word at offset 6 in I/O Port Descriptor,
but according to ISA PnP specification ioport range length is a byte at offset 7
and byte 6 is base alignment.
BTW will it usefull to implement PnP device naming function ?
Best regards.
--
Andrey Panin | Embedded systems software engineer
pazke@orbita1.ru | PGP key: http://www.orbita1.ru/~pazke/AndreyPanin.asc
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diff -urN -X /usr/dontdiff /linux.vanilla/drivers/pnp/pnp_bios.c /linux/drivers/pnp/pnp_bios.c
--- /linux.vanilla/drivers/pnp/pnp_bios.c Tue Jul 17 23:11:14 2001
+++ /linux/drivers/pnp/pnp_bios.c Sat Jul 21 00:08:38 2001
@@ -669,7 +669,7 @@
break;
case 0x08: // io
io= p[2] + p[3] *256;
- len= p[6] + p[7] *256;
+ len = p[7];
i=0;
while(pci_dev->resource[i].start && i<DEVICE_COUNT_RESOURCE)
i++;
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2001-07-20 6:18 [PATCH] PnP BIOS: io range length bugfix Andrey Panin
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