The first arugment has to be a pointer to the memory. buf is a char array and already a pointer itself. The current code passes a pointer to a char array to copy_from_user() which is not correct. Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx> --- drivers/usb/musb/musb_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index ad3701a97389..bb13e0420140 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -194,7 +194,7 @@ static ssize_t musb_test_mode_write(struct file *file, memset(buf, 0x00, sizeof(buf)); - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + if (copy_from_user(buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) return -EFAULT; if (!strncmp(buf, "force host", 9)) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
