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

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

From: Dan Carpenter <dan.carpen...@oracle.com>

commit f8a70d8b889f180e6860cb1f85fed43d37844c5a upstream.

The > comparison should be >= to prevent reading beyond the end of the
func->template[] array.

(The func->template array is allocated in vexpress_syscfg_regmap_init()
and it has func->num_templates elements.)

Fixes: 974cc7b93441 ("mfd: vexpress: Define the device as MFD cells")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Acked-by: Sudeep Holla <sudeep.ho...@arm.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/misc/vexpress-syscfg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/misc/vexpress-syscfg.c
+++ b/drivers/misc/vexpress-syscfg.c
@@ -61,7 +61,7 @@ static int vexpress_syscfg_exec(struct v
        int tries;
        long timeout;
 
-       if (WARN_ON(index > func->num_templates))
+       if (WARN_ON(index >= func->num_templates))
                return -EINVAL;
 
        command = readl(syscfg->base + SYS_CFGCTRL);


Reply via email to