[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>

2 files changed, 6 insertions, 12 deletions

diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index 244f63b..81792e6 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -71,14 +71,13 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto out_disable_device;
 	}
 
-	brd = kmalloc(sizeof(struct jsm_board), GFP_KERNEL);
+	brd = kzalloc(sizeof(struct jsm_board), GFP_KERNEL);
 	if (!brd) {
 		dev_err(&pdev->dev,
 			"memory allocation for board structure failed\n");
 		rc = -ENOMEM;
 		goto out_release_regions;
 	}
-	memset(brd, 0, sizeof(struct jsm_board));
 
 	/* store the info for the board we've found */
 	brd->boardnum = adapter_count++;
@@ -152,7 +151,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	 * Okay to malloc with GFP_KERNEL, we are not at interrupt
 	 * context, and there are no locks held.
 	 */
-	brd->flipbuf = kmalloc(MYFLIPLEN, GFP_KERNEL);
+	brd->flipbuf = kzalloc(MYFLIPLEN, GFP_KERNEL);
 	if (!brd->flipbuf) {
 		/* XXX: leaking all resources from jsm_tty_init and
 		 	jsm_uart_port_init here! */
@@ -160,7 +159,6 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		retval = -ENOMEM;
 		goto out_free_irq;
 	}
-	memset(brd->flipbuf, 0, MYFLIPLEN);
 
 	pci_set_drvdata(pdev, brd);
 
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 7cf1c60..be22bbd 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -194,31 +194,28 @@ static int jsm_tty_open(struct uart_port *port)
 	/* Drop locks, as malloc with GFP_KERNEL can sleep */
 
 	if (!channel->ch_rqueue) {
-		channel->ch_rqueue = (u8 *) kmalloc(RQUEUESIZE, GFP_KERNEL);
+		channel->ch_rqueue = kzalloc(RQUEUESIZE, GFP_KERNEL);
 		if (!channel->ch_rqueue) {
 			jsm_printk(INIT, ERR, &channel->ch_bd->pci_dev,
 				"unable to allocate read queue buf");
 			return -ENOMEM;
 		}
-		memset(channel->ch_rqueue, 0, RQUEUESIZE);
 	}
 	if (!channel->ch_equeue) {
-		channel->ch_equeue = (u8 *) kmalloc(EQUEUESIZE, GFP_KERNEL);
+		channel->ch_equeue = kzalloc(EQUEUESIZE, GFP_KERNEL);
 		if (!channel->ch_equeue) {
 			jsm_printk(INIT, ERR, &channel->ch_bd->pci_dev,
 				"unable to allocate error queue buf");
 			return -ENOMEM;
 		}
-		memset(channel->ch_equeue, 0, EQUEUESIZE);
 	}
 	if (!channel->ch_wqueue) {
-		channel->ch_wqueue = (u8 *) kmalloc(WQUEUESIZE, GFP_KERNEL);
+		channel->ch_wqueue = kzalloc(WQUEUESIZE, GFP_KERNEL);
 		if (!channel->ch_wqueue) {
 			jsm_printk(INIT, ERR, &channel->ch_bd->pci_dev,
 				"unable to allocate write queue buf");
 			return -ENOMEM;
 		}
-		memset(channel->ch_wqueue, 0, WQUEUESIZE);
 	}
 
 	channel->ch_flags &= ~(CH_OPENING);
@@ -392,13 +389,12 @@ int jsm_tty_init(struct jsm_board *brd)
 			 * Okay to malloc with GFP_KERNEL, we are not at
 			 * interrupt context, and there are no locks held.
 			 */
-			brd->channels[i] = kmalloc(sizeof(struct jsm_channel), GFP_KERNEL);
+			brd->channels[i] = kzalloc(sizeof(struct jsm_channel), GFP_KERNEL);
 			if (!brd->channels[i]) {
 				jsm_printk(CORE, ERR, &brd->pci_dev,
 					"%s:%d Unable to allocate memory for channel struct\n",
 							 __FILE__, __LINE__);
 			}
-			memset(brd->channels[i], 0, sizeof(struct jsm_channel));
 		}
 	}