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Fixed bug wich caused i8254x driver to be able to load multiple times on the same device.

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git-svn-id: svn://kolibrios.org@2934 a494cfbc-eb01-0410-851d-a64ba20cac60
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hidnplayr 2012-08-25 16:05:36 +00:00
parent 76bf409d84
commit c575a498b5
1 changed files with 5 additions and 2 deletions
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7
kernel/branches/net/drivers/i8254x.asm
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@ -351,11 +351,14 @@ proc service_proc stdcall, ioctl:dword
jz .firstdevice jz .firstdevice
; mov eax, [IOCTL.input] ; get the pci bus and device numbers ; mov eax, [IOCTL.input] ; get the pci bus and device numbers
mov ax , [eax+1] ; mov ax, [eax+1] ;
.nextdevice: .nextdevice:
mov ebx, [esi] mov ebx, [esi]
cmp ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte) cmp al, byte [device.pci_bus]
jne .next
cmp ah, byte [device.pci_dev]
je .find_devicenum ; Device is already loaded, let's find it's device number je .find_devicenum ; Device is already loaded, let's find it's device number
.next:
add esi, 4 add esi, 4
loop .nextdevice loop .nextdevice