s390/dasd: Use kzalloc instead of kmalloc/memset

Use kzalloc rather than duplicating its implementation, which
makes code simple and easy to understand.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20220505141733.1989450-6-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Haowen Bai 2022-05-05 16:17:33 +02:00 committed by Jens Axboe
parent b9c10f68e2
commit f1c8781ac9

View File

@ -1480,7 +1480,7 @@ static int dasd_eckd_pe_handler(struct dasd_device *device,
{
struct pe_handler_work_data *data;
data = kmalloc(sizeof(*data), GFP_ATOMIC | GFP_DMA);
data = kzalloc(sizeof(*data), GFP_ATOMIC | GFP_DMA);
if (!data) {
if (mutex_trylock(&dasd_pe_handler_mutex)) {
data = pe_handler_worker;
@ -1488,9 +1488,6 @@ static int dasd_eckd_pe_handler(struct dasd_device *device,
} else {
return -ENOMEM;
}
} else {
memset(data, 0, sizeof(*data));
data->isglobal = 0;
}
INIT_WORK(&data->worker, do_pe_handler_work);
dasd_get_device(device);