aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/usb/serial/opticon.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 41b1647306eb..459c28889fe4 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -155,7 +155,11 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
155{ 155{
156 struct usb_serial *serial = port->serial; 156 struct usb_serial *serial = port->serial;
157 int retval; 157 int retval;
158 u8 buffer[2]; 158 u8 *buffer;
159
160 buffer = kzalloc(1, GFP_KERNEL);
161 if (!buffer)
162 return -ENOMEM;
159 163
160 buffer[0] = val; 164 buffer[0] = val;
161 /* Send the message to the vendor control endpoint 165 /* Send the message to the vendor control endpoint
@@ -164,6 +168,7 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
164 requesttype, 168 requesttype,
165 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 169 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
166 0, 0, buffer, 1, 0); 170 0, 0, buffer, 1, 0);
171 kfree(buffer);
167 172
168 return retval; 173 return retval;
169} 174}