Local variable 'p' is initialized by an address
of field of acpi_resource, so it does not make
sense to compare 'p' with NULL.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Andrey Strachuk <strochuk@xxxxxxxxx>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
---
drivers/acpi/pci_link.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 58647051c948..aa1038b8aec4 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -95,7 +95,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
- if (!p || !p->interrupt_count) {
+ if (!p->interrupt_count) {
acpi_handle_debug(handle,
"Blank _PRS IRQ resource\n");
return AE_OK;
@@ -121,7 +121,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
{
struct acpi_resource_extended_irq *p =
&resource->data.extended_irq;
- if (!p || !p->interrupt_count) {
+ if (!p->interrupt_count) {
acpi_handle_debug(handle,
"Blank _PRS EXT IRQ resource\n");
return AE_OK;
@@ -182,7 +182,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
- if (!p || !p->interrupt_count) {
+ if (!p->interrupt_count) {
/*
* IRQ descriptors may have no IRQ# bits set,
* particularly those w/ _STA disabled
@@ -197,7 +197,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
{
struct acpi_resource_extended_irq *p =
&resource->data.extended_irq;
- if (!p || !p->interrupt_count) {
+ if (!p->interrupt_count) {
/*
* extended IRQ descriptors must
* return at least 1 IRQ
--
2.25.1
