diff options
Diffstat (limited to 'drivers/acpi/sbs.c')
| -rw-r--r-- | drivers/acpi/sbs.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 8908a975e57..f58fc7447ab 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, @@ -1576,12 +1576,11 @@ static int acpi_sbs_add(struct acpi_device *device) int id, cnt; acpi_status status = AE_OK; - sbs = kmalloc(sizeof(struct acpi_sbs), GFP_KERNEL); + sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); if (!sbs) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n")); return -ENOMEM; } - memset(sbs, 0, sizeof(struct acpi_sbs)); cnt = 0; while (cnt < 10) { @@ -1659,7 +1658,7 @@ 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 +1684,7 @@ static int acpi_sbs_add(struct acpi_device *device) int acpi_sbs_remove(struct acpi_device *device, int type) { - struct acpi_sbs *sbs = NULL; + struct acpi_sbs *sbs; int id; if (!device) { |