提交 2555f7bd 编写于 作者: A Adrian Bunk 提交者: Greg Kroah-Hartman

[PATCH] PCI Hotplug: cpqphp_ctrl.c: remove dead code

The Coverity checker spotted that we already did return -ENOMEM
if (!p_mem_node).
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 88d69a1d
......@@ -2630,29 +2630,15 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
hold_mem_node = NULL;
}
/* If we have prefetchable memory resources copy them and
* fill in the bridge's memory range registers. Otherwise,
* fill in the range registers with values that disable them. */
if (p_mem_node) {
memcpy(hold_p_mem_node, p_mem_node, sizeof(struct pci_resource));
p_mem_node->next = NULL;
/* set Pre Mem base and Limit registers */
temp_word = p_mem_node->base >> 16;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
temp_word = (p_mem_node->base + p_mem_node->length - 1) >> 16;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
} else {
temp_word = 0xFFFF;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
memcpy(hold_p_mem_node, p_mem_node, sizeof(struct pci_resource));
p_mem_node->next = NULL;
temp_word = 0x0000;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
/* set Pre Mem base and Limit registers */
temp_word = p_mem_node->base >> 16;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_BASE, temp_word);
kfree(hold_p_mem_node);
hold_p_mem_node = NULL;
}
temp_word = (p_mem_node->base + p_mem_node->length - 1) >> 16;
rc = pci_bus_write_config_word (pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, temp_word);
/* Adjust this to compensate for extra adjustment in first loop */
irqs.barber_pole--;
......
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