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