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correctly release resources on error in init, or on uninit

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checks if pci module is present


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22262 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2007-09-19 22:07:13 +00:00
parent 595998812e
commit d46597c7f2
1 changed files with 10 additions and 3 deletions
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src/add-ons/kernel/drivers/network/bcm440x/b44um.c
+10 -3
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@@ -87,8 +87,8 @@ init_driver(void)
int i = 0; int i = 0;
pci_info dev_info; pci_info dev_info;
if (pci == NULL) if (get_module(B_PCI_MODULE_NAME,(module_info **)&pci) < B_OK)
get_module(B_PCI_MODULE_NAME,(module_info **)&pci); return ENOSYS;
while (pci->get_nth_pci_info(i++, &dev_info) == 0) { while (pci->get_nth_pci_info(i++, &dev_info) == 0) {
if (dev_info.class_base != PCI_network if (dev_info.class_base != PCI_network
@@ -116,8 +116,14 @@ init_driver(void)
be_b44_dev_cards[sCardsFound].linkChangeSem = -1; be_b44_dev_cards[sCardsFound].linkChangeSem = -1;
#endif #endif
if (b44_LM_GetAdapterInfo(&be_b44_dev_cards[sCardsFound].lm_dev) != LM_STATUS_SUCCESS) if (b44_LM_GetAdapterInfo(&be_b44_dev_cards[sCardsFound].lm_dev) != LM_STATUS_SUCCESS) {
for (i = 0; i < sCardsFound; i++) {
free((void *)sDeviceNames[i]);
delete_sem(be_b44_dev_cards[i].packet_release_sem);
}
put_module(B_PCI_MODULE_NAME);
return ENODEV; return ENODEV;
}
QQ_InitQueue(&be_b44_dev_cards[sCardsFound].RxPacketReadQ.Container, QQ_InitQueue(&be_b44_dev_cards[sCardsFound].RxPacketReadQ.Container,
MAX_RX_PACKET_DESC_COUNT); MAX_RX_PACKET_DESC_COUNT);
@@ -147,6 +153,7 @@ uninit_driver(void)
delete_area(pUmDevice->mem_base); delete_area(pUmDevice->mem_base);
delete_sem(be_b44_dev_cards[j].packet_release_sem);
free((void *)sDeviceNames[j]); free((void *)sDeviceNames[j]);
} }