drivers/usb/core: using strlcpy instead of strncpy

for NUL terminated string, better notice '\0' in the end.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chen Gang 2013-02-02 15:57:53 +08:00 committed by Greg Kroah-Hartman
parent 2f07607747
commit b11b2e1bdd

View File

@ -40,6 +40,7 @@
#include <linux/signal.h>
#include <linux/poll.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
#include <linux/usb/hcd.h> /* for usbcore internals */
@ -1077,7 +1078,7 @@ static int proc_getdriver(struct dev_state *ps, void __user *arg)
if (!intf || !intf->dev.driver)
ret = -ENODATA;
else {
strncpy(gd.driver, intf->dev.driver->name,
strlcpy(gd.driver, intf->dev.driver->name,
sizeof(gd.driver));
ret = (copy_to_user(arg, &gd, sizeof(gd)) ? -EFAULT : 0);
}