X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fpci%2Fpci-acpi.c;h=bb7456c1dbac54755db25a939904169bd37d4d04;hb=519ab5f2be65b72cf12ae99c89752bbe79b44df6;hp=a9b00cc2d8850da7d958b8fbc1e13119894fe06d;hpb=9b152d53b763d99802f5948cf4c9eb9e15c07178;p=powerpc.git

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index a9b00cc2d8..bb7456c1db 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -33,13 +33,10 @@ acpi_query_osc (
 	acpi_status		status;
 	struct acpi_object_list	input;
 	union acpi_object 	in_params[4];
-	struct acpi_buffer	output;
-	union acpi_object 	out_obj;	
+	struct acpi_buffer	output = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object 	*out_obj;
 	u32			osc_dw0;
 
-	/* Setting up output buffer */
-	output.length = sizeof(out_obj) + 3*sizeof(u32);  
-	output.pointer = &out_obj;
 	
 	/* Setting up input parameters */
 	input.count = 4;
@@ -61,12 +58,15 @@ acpi_query_osc (
 			"Evaluate _OSC Set fails. Status = 0x%04x\n", status);
 		return status;
 	}
-	if (out_obj.type != ACPI_TYPE_BUFFER) {
+	out_obj = output.pointer;
+
+	if (out_obj->type != ACPI_TYPE_BUFFER) {
 		printk(KERN_DEBUG  
 			"Evaluate _OSC returns wrong type\n");
-		return AE_TYPE;
+		status = AE_TYPE;
+		goto query_osc_out;
 	}
-	osc_dw0 = *((u32 *) out_obj.buffer.pointer);
+	osc_dw0 = *((u32 *) out_obj->buffer.pointer);
 	if (osc_dw0) {
 		if (osc_dw0 & OSC_REQUEST_ERROR)
 			printk(KERN_DEBUG "_OSC request fails\n"); 
@@ -76,15 +76,21 @@ acpi_query_osc (
 			printk(KERN_DEBUG "_OSC invalid revision\n"); 
 		if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
 			/* Update Global Control Set */
-			global_ctrlsets = *((u32 *)(out_obj.buffer.pointer+8));
-			return AE_OK;
+			global_ctrlsets = *((u32 *)(out_obj->buffer.pointer+8));
+			status = AE_OK;
+			goto query_osc_out;
 		}
-		return AE_ERROR;
+		status = AE_ERROR;
+		goto query_osc_out;
 	}
 
 	/* Update Global Control Set */
-	global_ctrlsets = *((u32 *)(out_obj.buffer.pointer + 8));
-	return AE_OK;
+	global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
+	status = AE_OK;
+
+query_osc_out:
+	kfree(output.pointer);
+	return status;
 }
 
 
@@ -96,14 +102,10 @@ acpi_run_osc (
 	acpi_status		status;
 	struct acpi_object_list	input;
 	union acpi_object 	in_params[4];
-	struct acpi_buffer	output;
-	union acpi_object 	out_obj;	
+	struct acpi_buffer	output = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object 	*out_obj;
 	u32			osc_dw0;
 
-	/* Setting up output buffer */
-	output.length = sizeof(out_obj) + 3*sizeof(u32);  
-	output.pointer = &out_obj;
-	
 	/* Setting up input parameters */
 	input.count = 4;
 	input.pointer = in_params;
@@ -124,12 +126,14 @@ acpi_run_osc (
 			"Evaluate _OSC Set fails. Status = 0x%04x\n", status);
 		return status;
 	}
-	if (out_obj.type != ACPI_TYPE_BUFFER) {
+	out_obj = output.pointer;
+	if (out_obj->type != ACPI_TYPE_BUFFER) {
 		printk(KERN_DEBUG  
 			"Evaluate _OSC returns wrong type\n");
-		return AE_TYPE;
+		status = AE_TYPE;
+		goto run_osc_out;
 	}
-	osc_dw0 = *((u32 *) out_obj.buffer.pointer);
+	osc_dw0 = *((u32 *) out_obj->buffer.pointer);
 	if (osc_dw0) {
 		if (osc_dw0 & OSC_REQUEST_ERROR)
 			printk(KERN_DEBUG "_OSC request fails\n"); 
@@ -139,11 +143,17 @@ acpi_run_osc (
 			printk(KERN_DEBUG "_OSC invalid revision\n"); 
 		if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
 			printk(KERN_DEBUG "_OSC FW not grant req. control\n");
-			return AE_SUPPORT;
+			status = AE_SUPPORT;
+			goto run_osc_out;
 		}
-		return AE_ERROR;
+		status = AE_ERROR;
+		goto run_osc_out;
 	}
-	return AE_OK;
+	status = AE_OK;
+
+run_osc_out:
+	kfree(output.pointer);
+	return status;
 }
 
 /**
@@ -178,6 +188,7 @@ EXPORT_SYMBOL(pci_osc_support_set);
 
 /**
  * pci_osc_control_set - commit requested control to Firmware
+ * @handle: acpi_handle for the target ACPI object
  * @flags: driver's requested control bits
  *
  * Attempt to take control from Firmware on requested control bits.
@@ -256,7 +267,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 
 
 /* ACPI bus type */
-static int pci_acpi_find_device(struct device *dev, acpi_handle *handle)
+static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
 {
 	struct pci_dev * pci_dev;
 	acpi_integer	addr;
@@ -270,7 +281,7 @@ static int pci_acpi_find_device(struct device *dev, acpi_handle *handle)
 	return 0;
 }
 
-static int pci_acpi_find_root_bridge(struct device *dev, acpi_handle *handle)
+static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
 {
 	int num;
 	unsigned int seg, bus;
@@ -288,21 +299,21 @@ static int pci_acpi_find_root_bridge(struct device *dev, acpi_handle *handle)
 	return 0;
 }
 
-static struct acpi_bus_type pci_acpi_bus = {
+static struct acpi_bus_type acpi_pci_bus = {
 	.bus = &pci_bus_type,
-	.find_device = pci_acpi_find_device,
-	.find_bridge = pci_acpi_find_root_bridge,
+	.find_device = acpi_pci_find_device,
+	.find_bridge = acpi_pci_find_root_bridge,
 };
 
-static int __init pci_acpi_init(void)
+static int __init acpi_pci_init(void)
 {
 	int ret;
 
-	ret = register_acpi_bus_type(&pci_acpi_bus);
+	ret = register_acpi_bus_type(&acpi_pci_bus);
 	if (ret)
 		return 0;
 	platform_pci_choose_state = acpi_pci_choose_state;
 	platform_pci_set_power_state = acpi_pci_set_power_state;
 	return 0;
 }
-arch_initcall(pci_acpi_init);
+arch_initcall(acpi_pci_init);