ACPI: pci_link: remove unnecessary casts and initializations

Remove unnecessary casts and initializations.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 19 insertions, 19 deletions

diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 19bc3bcda602..b59f59efb72f 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -109,7 +109,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
                                                 void *context)
 {
         struct acpi_pci_link *link = context;
-        u32 i = 0;
+        u32 i;
 
         switch (resource->type) {
         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -199,7 +199,7 @@ static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
 static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
                                                void *context)
 {
-        int *irq = (int *)context;
+        int *irq = context;
 
         switch (resource->type) {
         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -256,7 +256,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
 static int acpi_pci_link_get_current(struct acpi_pci_link *link)
 {
         int result = 0;
-        acpi_status status = AE_OK;
+        acpi_status status;
         int irq = 0;
 
         if (!link)
@@ -306,8 +306,8 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
 
 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
 {
-        int result = 0;
-        acpi_status status = AE_OK;
+        int result;
+        acpi_status status;
         struct {
                 struct acpi_resource res;
                 struct acpi_resource end;
@@ -485,9 +485,9 @@ static int acpi_irq_penalty[ACPI_MAX_IRQS] = {
 
 int __init acpi_irq_penalty_init(void)
 {
-        struct list_head *node = NULL;
-        struct acpi_pci_link *link = NULL;
-        int i = 0;
+        struct list_head *node;
+        struct acpi_pci_link *link;
+        int i;
 
         /*
          * Update penalties to facilitate IRQ balancing.
@@ -602,9 +602,9 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
                                int *polarity, char **name)
 {
-        int result = 0;
-        struct acpi_device *device = NULL;
-        struct acpi_pci_link *link = NULL;
+        int result;
+        struct acpi_device *device;
+        struct acpi_pci_link *link;
 
         result = acpi_bus_get_device(handle, &device);
         if (result) {
@@ -656,8 +656,8 @@ int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
  */
 int acpi_pci_link_free_irq(acpi_handle handle)
 {
-        struct acpi_device *device = NULL;
-        struct acpi_pci_link *link = NULL;
+        struct acpi_device *device;
+        struct acpi_pci_link *link;
         acpi_status result;
 
         result = acpi_bus_get_device(handle, &device);
@@ -707,9 +707,9 @@ int acpi_pci_link_free_irq(acpi_handle handle)
 
 static int acpi_pci_link_add(struct acpi_device *device)
 {
-        int result = 0;
-        struct acpi_pci_link *link = NULL;
-        int i = 0;
+        int result;
+        struct acpi_pci_link *link;
+        int i;
         int found = 0;
 
         if (!device)
@@ -777,8 +777,8 @@ static int acpi_pci_link_resume(struct acpi_pci_link *link)
 
 static int irqrouter_resume(struct sys_device *dev)
 {
-        struct list_head *node = NULL;
-        struct acpi_pci_link *link = NULL;
+        struct list_head *node;
+        struct acpi_pci_link *link;
 
         list_for_each(node, &acpi_link.entries) {
                 link = list_entry(node, struct acpi_pci_link, node);
@@ -793,7 +793,7 @@ static int irqrouter_resume(struct sys_device *dev)
 
 static int acpi_pci_link_remove(struct acpi_device *device, int type)
 {
-        struct acpi_pci_link *link = NULL;
+        struct acpi_pci_link *link;
 
         if (!device || !acpi_driver_data(device))
                 return -EINVAL;