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OpenCloudOS-Kernel
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Merge branch 'pci/julia-return-values' into next 

* pci/julia-return-values:
  PCI: hotplug: ensure a consistent return value in error case
This commit is contained in:
Bjorn Helgaas 2012-07-16 09:29:01 -06:00
parent 8d20e2cfeb 83d0571073
commit d47557e461
4 changed files with 40 additions and 16 deletions
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14
drivers/pci/hotplug/cpci_hotplug_core.c
View File

@ -225,7 +225,7 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
struct hotplug_slot *hotplug_slot;
struct hotplug_slot_info *info;
char name[SLOT_NAME_SIZE];
int status = -ENOMEM;
int status;
int i;
if (!(controller && bus))
@ -237,18 +237,24 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
*/
for (i = first; i <= last; ++i) {
slot = kzalloc(sizeof (struct slot), GFP_KERNEL);
if (!slot)
if (!slot) {
status = -ENOMEM;
goto error;
}
hotplug_slot =
kzalloc(sizeof (struct hotplug_slot), GFP_KERNEL);
if (!hotplug_slot)
if (!hotplug_slot) {
status = -ENOMEM;
goto error_slot;
}
slot->hotplug_slot = hotplug_slot;
info = kzalloc(sizeof (struct hotplug_slot_info), GFP_KERNEL);
if (!info)
if (!info) {
status = -ENOMEM;
goto error_hpslot;
}
hotplug_slot->info = info;
slot->bus = bus;

14
drivers/pci/hotplug/cpqphp_core.c
View File

@ -611,7 +611,7 @@ static int ctrl_slot_setup(struct controller *ctrl,
u32 tempdword;
char name[SLOT_NAME_SIZE];
void __iomem *slot_entry= NULL;
int result = -ENOMEM;
int result;
dbg("%s\n", __func__);
@ -623,19 +623,25 @@ static int ctrl_slot_setup(struct controller *ctrl,
while (number_of_slots) {
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
if (!slot) {
result = -ENOMEM;
goto error;
}
slot->hotplug_slot = kzalloc(sizeof(*(slot->hotplug_slot)),
GFP_KERNEL);
if (!slot->hotplug_slot)
if (!slot->hotplug_slot) {
result = -ENOMEM;
goto error_slot;
}
hotplug_slot = slot->hotplug_slot;
hotplug_slot->info = kzalloc(sizeof(*(hotplug_slot->info)),
GFP_KERNEL);
if (!hotplug_slot->info)
if (!hotplug_slot->info) {
result = -ENOMEM;
goto error_hpslot;
}
hotplug_slot_info = hotplug_slot->info;
slot->ctrl = ctrl;

14
drivers/pci/hotplug/pcihp_skeleton.c
View File

@ -252,7 +252,7 @@ static int __init init_slots(void)
struct slot *slot;
struct hotplug_slot *hotplug_slot;
struct hotplug_slot_info *info;
int retval = -ENOMEM;
int retval;
int i;
/*
@ -261,17 +261,23 @@ static int __init init_slots(void)
*/
for (i = 0; i < num_slots; ++i) {
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
if (!slot) {
retval = -ENOMEM;
goto error;
}
hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
if (!hotplug_slot)
if (!hotplug_slot) {
retval = -ENOMEM;
goto error_slot;
}
slot->hotplug_slot = hotplug_slot;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
if (!info) {
retval = -ENOMEM;
goto error_hpslot;
}
hotplug_slot->info = info;
slot->number = i;

14
drivers/pci/hotplug/shpchp_core.c
View File

@ -99,22 +99,28 @@ static int init_slots(struct controller *ctrl)
struct hotplug_slot *hotplug_slot;
struct hotplug_slot_info *info;
char name[SLOT_NAME_SIZE];
int retval = -ENOMEM;
int retval;
int i;
for (i = 0; i < ctrl->num_slots; i++) {
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
if (!slot)
if (!slot) {
retval = -ENOMEM;
goto error;
}
hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL);
if (!hotplug_slot)
if (!hotplug_slot) {
retval = -ENOMEM;
goto error_slot;
}
slot->hotplug_slot = hotplug_slot;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
if (!info) {
retval = -ENOMEM;
goto error_hpslot;
}
hotplug_slot->info = info;
slot->hp_slot = i;