1 files changed, 5 insertions, 11 deletions

diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index b8b213185d0f..87dfcd89ffab 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -255,11 +255,9 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp)
         }
         
         // allocate memory for transfer buffer
-        transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);  
+        transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
         if (! transfer_buffer) {
                 return -ENOMEM;
-        } else {
-                memset(transfer_buffer, 0, transfer_buffer_length);
         }
         
         // allocate write_urb
@@ -383,11 +381,10 @@ static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
                 
                 // BEGIN DEBUG
                 /*
-                  dbg_data = (unsigned char *) kmalloc((3 *  purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
+                  dbg_data = kzalloc((3 *  purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
                   if (! dbg_data) {
                   return;
                   }
-                  memset(dbg_data, 0, (3 *  purb->actual_length + 10));
                   for (i = 0; i < purb->actual_length; i++) { 
                   sprintf(dbg_data +3*i, "%02X ", data[i]); 
                   }
@@ -518,11 +515,10 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
         }
 
         // allocate memory for transfer buffer
-        transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);  
+        transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
         if (!transfer_buffer) {
                 return -ENOMEM;
         }
-        memset(transfer_buffer, 0, transfer_buffer_length);
 
         result = usb_control_msg( port->serial->dev, 
                                   usb_rcvctrlpipe(port->serial->dev, 0 ), 
@@ -564,11 +560,10 @@ static int  kobil_tiocmset(struct usb_serial_port *port, struct file *file,
         }
 
         // allocate memory for transfer buffer
-        transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+        transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
         if (! transfer_buffer) {
                 return -ENOMEM;
         }
-        memset(transfer_buffer, 0, transfer_buffer_length);
 
         if (set & TIOCM_RTS)
                 rts = 1;
@@ -655,11 +650,10 @@ static int  kobil_ioctl(struct usb_serial_port *port, struct file *file,
                                                    (struct termios __user *)arg))
                         return -EFAULT;
                 
-                settings = (unsigned char *) kmalloc(50, GFP_KERNEL);  
+                settings = kzalloc(50, GFP_KERNEL);
                 if (! settings) {
                         return -ENOBUFS;
                 }
-                memset(settings, 0, 50);
 
                 switch (priv->internal_termios.c_cflag & CBAUD) {
                 case B1200: