staging: fbtft: use strncpy instead of strcpy

Using strcpy() is a security risk as the destination buffer size is not
checked and we may over-run the buffer. Use strncpy() instead, while
mentioning the buffer size leaving place for the NULL termination.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c
index 0483d33..3856c88 100644 (file)
--- a/drivers/staging/fbtft/fbtft_device.c
+++ b/drivers/staging/fbtft/fbtft_device.c
@@ -1342,7 +1342,8 @@ static int __init fbtft_device_init(void)
                                p_name, p_num);
                        return -EINVAL;
                }
-               strcpy(fbtft_device_param_gpios[i].name, p_name);
+               strncpy(fbtft_device_param_gpios[i].name, p_name,
+                       FBTFT_GPIO_NAME_SIZE - 1);
                fbtft_device_param_gpios[i++].gpio = (int) val;
                if (i == MAX_GPIOS) {
                        pr_err(DRVNAME