[PATCH] PCI Hotplug: fake NULL pointer dereferences in IBM Hot Plug Controller Driver

Remove checks for value, since the hotplug core always provides
a valid value.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric Sesterhenn 2006-06-01 11:41:44 +02:00 committed by Greg Kroah-Hartman
parent 99ff124d16
commit 9df7fde52c

View file

@ -285,7 +285,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 * value)
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
memcpy(&myslot, pslot, sizeof(struct slot));
@ -315,7 +315,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 * value)
debug("get_latch_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
memcpy(&myslot, pslot, sizeof(struct slot));
@ -342,7 +342,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 * value)
debug("get_power_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
memcpy(&myslot, pslot, sizeof(struct slot));
@ -369,7 +369,7 @@ static int get_adapter_present(struct hotplug_slot *hotplug_slot, u8 * value)
debug("get_adapter_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
memcpy(&myslot, pslot, sizeof(struct slot));
@ -401,7 +401,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
rc = 0;
@ -441,7 +441,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
ibmphp_lock_operations();
if (hotplug_slot && value) {
if (hotplug_slot) {
pslot = hotplug_slot->private;
if (pslot) {
rc = get_cur_bus_info(&pslot);