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[PATCH] PCI Hotplug: cpqphp_ctrl.c: remove dead code
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The Coverity checker spotted that we already did return -ENOMEM
if (!p_mem_node).

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Adrian Bunk authored and Greg Kroah-Hartman committed Jan 9, 2006
1 parent 88d69a1 commit 2555f7b
Showing 1 changed file with 7 additions and 21 deletions.
28 changes: 7 additions & 21 deletions drivers/pci/hotplug/cpqphp_ctrl.c
Original file line number Diff line number Diff line change
Expand Up @@ -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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