[PATCH v2] ACPI/PCI: Remove useless NULL pointer checks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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>
---
 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




[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux