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path: root/drivers/usb/serial/sierra.c
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Diffstat (limited to 'drivers/usb/serial/sierra.c')
-rw-r--r--drivers/usb/serial/sierra.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 9d56138133a9..741e68e46139 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -421,7 +421,7 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
unsigned long flags;
unsigned char *buffer;
struct urb *urb;
- size_t writesize = min((size_t)count, (size_t)MAX_TRANSFER);
+ size_t writesize = min_t(size_t, count, MAX_TRANSFER);
int retval = 0;
/* verify that we actually have some data to write */
@@ -453,7 +453,7 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
goto error_simple;
}
- buffer = kmalloc(writesize, GFP_ATOMIC);
+ buffer = kmemdup(buf, writesize, GFP_ATOMIC);
if (!buffer) {
retval = -ENOMEM;
goto error_no_buffer;
@@ -465,8 +465,6 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
goto error_no_urb;
}
- memcpy(buffer, buf, writesize);
-
usb_serial_debug_data(&port->dev, __func__, writesize, buffer);
usb_fill_bulk_urb(urb, serial->dev,
@@ -737,7 +735,8 @@ static void sierra_close(struct usb_serial_port *port)
/*
* Need to take susp_lock to make sure port is not already being
- * resumed, but no need to hold it due to initialized
+ * resumed, but no need to hold it due to the tty-port initialized
+ * flag.
*/
spin_lock_irq(&intfdata->susp_lock);
if (--intfdata->open_ports == 0)
@@ -1022,7 +1021,6 @@ static int sierra_resume(struct usb_serial *serial)
static struct usb_serial_driver sierra_device = {
.driver = {
- .owner = THIS_MODULE,
.name = "sierra",
},
.description = "Sierra USB modem",