ACPI: Remove unnecessary from/to-void* and to-void casts in drivers/acpi

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 62bef0b3b61..c6a819adcc9 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -923,7 +923,7 @@ static struct proc_dir_entry *acpi_battery_dir = NULL;
 
 static int acpi_battery_read_info(struct seq_file *seq, void *offset)
 {
-        struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+        struct acpi_battery *battery = seq->private;
         int cscale;
         int result = 0;
 
@@ -1076,7 +1076,7 @@ static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
 
 static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
 {
-        struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+        struct acpi_battery *battery = seq->private;
         int result = 0;
         int cscale;
 
@@ -1125,8 +1125,8 @@ static ssize_t
 acpi_battery_write_alarm(struct file *file, const char __user * buffer,
                          size_t count, loff_t * ppos)
 {
-        struct seq_file *seq = (struct seq_file *)file->private_data;
-        struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+        struct seq_file *seq = file->private_data;
+        struct acpi_battery *battery = seq->private;
         char alarm_string[12] = { '\0' };
         int result, old_alarm, new_alarm;
 
@@ -1160,14 +1160,14 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
         if (result) {
                 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
                                   "acpi_battery_set_alarm() failed\n"));
-                (void)acpi_battery_set_alarm(battery, old_alarm);
+                acpi_battery_set_alarm(battery, old_alarm);
                 goto end;
         }
         result = acpi_battery_get_alarm(battery);
         if (result) {
                 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
                                   "acpi_battery_get_alarm() failed\n"));
-                (void)acpi_battery_set_alarm(battery, old_alarm);
+                acpi_battery_set_alarm(battery, old_alarm);
                 goto end;
         }
 
@@ -1217,7 +1217,7 @@ static struct proc_dir_entry *acpi_ac_dir = NULL;
 
 static int acpi_ac_read_state(struct seq_file *seq, void *offset)
 {
-        struct acpi_sbs *sbs = (struct acpi_sbs *)seq->private;
+        struct acpi_sbs *sbs = seq->private;
         int result;
 
         if (sbs->zombie) {
@@ -1302,7 +1302,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
                 battery->init_state = 1;
         }
 
-        (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+        sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
 
         result = acpi_sbs_generic_add_fs(&battery->battery_entry,
                                          acpi_battery_dir,
@@ -1485,7 +1485,7 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
                 }
 
                 if (old_battery_present != new_battery_present) {
-                        (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+                        sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
                         result = acpi_sbs_generate_event(sbs->device,
                                                          ACPI_SBS_BATTERY_NOTIFY_STATUS,
                                                          new_battery_present,
@@ -1498,7 +1498,7 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
                         }
                 }
                 if (old_remaining_capacity != battery->state.remaining_capacity) {
-                        (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+                        sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
                         result = acpi_sbs_generate_event(sbs->device,
                                                          ACPI_SBS_BATTERY_NOTIFY_STATUS,
                                                          new_battery_present,
@@ -1659,7 +1659,7 @@ static int acpi_sbs_add(struct acpi_device *device)
         init_timer(&sbs->update_timer);
         if (update_mode == QUEUE_UPDATE_MODE) {
                 status = acpi_os_execute(OSL_GPE_HANDLER,
-                                         acpi_sbs_update_queue, (void *)sbs);
+                                         acpi_sbs_update_queue, sbs);
                 if (status != AE_OK) {
                         ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
                                           "acpi_os_execute() failed\n"));
@@ -1685,7 +1685,7 @@ static int acpi_sbs_add(struct acpi_device *device)
 
 int acpi_sbs_remove(struct acpi_device *device, int type)
 {
-        struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
+        struct acpi_sbs *sbs = acpi_driver_data(device);
         int id;
 
         if (!device || !sbs) {