[ 30/36] usb: acm gadget: Null termintate strings table

[Greg Kroah-Hartman]

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Graham Williams <gwilli@xxxxxxxxxxxx>

commit d257221854f0b34cca3247e6c45344d0470f7398 upstream.

The gadget strings table should be null terminated.
usb_gadget_get_string() loops through the table
expecting a null at the end of the list.

Signed-off-by: Graham Williams <gwilli@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/usb/gadget/f_acm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -285,6 +285,7 @@ static struct usb_string acm_string_defs
 	[ACM_CTRL_IDX].s = "CDC Abstract Control Model (ACM)",
 	[ACM_DATA_IDX].s = "CDC ACM Data",
 	[ACM_IAD_IDX ].s = "CDC Serial",
+	{  } /* end of list */
 };
 
 static struct usb_gadget_strings acm_string_table = {


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