[PATCH] serial: replace kmalloc+memset with kzalloc

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 66fdd3b2b95..0422c0f1f85 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1523,9 +1523,8 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
         }
 
         if (!state->info) {
-                state->info = kmalloc(sizeof(struct uart_info), GFP_KERNEL);
+                state->info = kzalloc(sizeof(struct uart_info), GFP_KERNEL);
                 if (state->info) {
-                        memset(state->info, 0, sizeof(struct uart_info));
                         init_waitqueue_head(&state->info->open_wait);
                         init_waitqueue_head(&state->info->delta_msr_wait);
 
@@ -2178,13 +2177,11 @@ int uart_register_driver(struct uart_driver *drv)
          * Maybe we should be using a slab cache for this, especially if
          * we have a large number of ports to handle.
          */
-        drv->state = kmalloc(sizeof(struct uart_state) * drv->nr, GFP_KERNEL);
+        drv->state = kzalloc(sizeof(struct uart_state) * drv->nr, GFP_KERNEL);
         retval = -ENOMEM;
         if (!drv->state)
                 goto out;
 
-        memset(drv->state, 0, sizeof(struct uart_state) * drv->nr);
-
         normal  = alloc_tty_driver(drv->nr);
         if (!normal)
                 goto out;