X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fthermal.c;h=40ddb4dd9631c20c6fc0d2695cb1126d6e9581b4;hb=a65421ea3f8a0e78b4e3b858bdc5ada5ad653807;hp=5753d06b786021e0434a221cd79b6c46875c8b36;hpb=0a7d5f8ce960e74fa22986bda4af488539796e49;p=pandora-kernel.git

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 5753d06b7860..40ddb4dd9631 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -663,7 +663,7 @@ static void acpi_thermal_run(unsigned long data)
 static void acpi_thermal_check(void *data)
 {
 	int result = 0;
-	struct acpi_thermal *tz = (struct acpi_thermal *)data;
+	struct acpi_thermal *tz = data;
 	unsigned long sleep_time = 0;
 	int i = 0;
 	struct acpi_thermal_state state;
@@ -778,7 +778,7 @@ static struct proc_dir_entry *acpi_thermal_dir;
 
 static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = seq->private;
 
 
 	if (!tz)
@@ -813,7 +813,7 @@ static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file)
 static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset)
 {
 	int result = 0;
-	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = seq->private;
 
 
 	if (!tz)
@@ -837,7 +837,7 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
 
 static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = seq->private;
 	int i = 0;
 	int j = 0;
 
@@ -893,8 +893,8 @@ acpi_thermal_write_trip_points(struct file *file,
 			       const char __user * buffer,
 			       size_t count, loff_t * ppos)
 {
-	struct seq_file *m = (struct seq_file *)file->private_data;
-	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
+	struct seq_file *m = file->private_data;
+	struct acpi_thermal *tz = m->private;
 
 	char *limit_string;
 	int num, critical, hot, passive;
@@ -902,12 +902,10 @@ acpi_thermal_write_trip_points(struct file *file,
 	int i = 0;
 
 
-	limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
+	limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
 	if (!limit_string)
 		return -ENOMEM;
 
-	memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
-
 	active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
 	if (!active) {
 		kfree(limit_string);
@@ -953,7 +951,7 @@ acpi_thermal_write_trip_points(struct file *file,
 
 static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = seq->private;
 
 
 	if (!tz)
@@ -984,8 +982,8 @@ acpi_thermal_write_cooling_mode(struct file *file,
 				const char __user * buffer,
 				size_t count, loff_t * ppos)
 {
-	struct seq_file *m = (struct seq_file *)file->private_data;
-	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
+	struct seq_file *m = file->private_data;
+	struct acpi_thermal *tz = m->private;
 	int result = 0;
 	char mode_string[12] = { '\0' };
 
@@ -1014,7 +1012,7 @@ acpi_thermal_write_cooling_mode(struct file *file,
 
 static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
+	struct acpi_thermal *tz = seq->private;
 
 
 	if (!tz)
@@ -1043,8 +1041,8 @@ acpi_thermal_write_polling(struct file *file,
 			   const char __user * buffer,
 			   size_t count, loff_t * ppos)
 {
-	struct seq_file *m = (struct seq_file *)file->private_data;
-	struct acpi_thermal *tz = (struct acpi_thermal *)m->private;
+	struct seq_file *m = file->private_data;
+	struct acpi_thermal *tz = m->private;
 	int result = 0;
 	char polling_string[12] = { '\0' };
 	int seconds = 0;
@@ -1170,7 +1168,7 @@ static int acpi_thermal_remove_fs(struct acpi_device *device)
 
 static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
 {
-	struct acpi_thermal *tz = (struct acpi_thermal *)data;
+	struct acpi_thermal *tz = data;
 	struct acpi_device *device = NULL;
 
 
@@ -1271,10 +1269,9 @@ static int acpi_thermal_add(struct acpi_device *device)
 	if (!device)
 		return -EINVAL;
 
-	tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
+	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
 	if (!tz)
 		return -ENOMEM;
-	memset(tz, 0, sizeof(struct acpi_thermal));
 
 	tz->device = device;
 	strcpy(tz->name, device->pnp.bus_id);
@@ -1324,7 +1321,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
 	if (!device || !acpi_driver_data(device))
 		return -EINVAL;
 
-	tz = (struct acpi_thermal *)acpi_driver_data(device);
+	tz = acpi_driver_data(device);
 
 	/* avoid timer adding new defer task */
 	tz->zombie = 1;
@@ -1364,7 +1361,7 @@ static int acpi_thermal_resume(struct acpi_device *device, int state)
 	if (!device || !acpi_driver_data(device))
 		return -EINVAL;
 
-	tz = (struct acpi_thermal *)acpi_driver_data(device);
+	tz = acpi_driver_data(device);
 
 	acpi_thermal_get_temperature(tz);