i2c: mux: gpio: Use array_size() helper

Use array_size() helper to aid in 2-factor allocation instances.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Evan Green <evgreen@chromium.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index b09c10f36ddb8c7139232407c9dcf8cf1a760a04..73a23e117ebec4e8118efb6de4f8c1a049dd3fe5 100644 (file)
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -7,6 +7,7 @@
 
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>
+#include <linux/overflow.h>
 #include <linux/platform_data/i2c-mux-gpio.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
@@ -152,7 +153,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev)
                return -EPROBE_DEFER;
 
        muxc = i2c_mux_alloc(parent, &pdev->dev, mux->data.n_values,
-                            ngpios * sizeof(*mux->gpios), 0,
+                            array_size(ngpios, sizeof(*mux->gpios)), 0,
                             i2c_mux_gpio_select, NULL);
        if (!muxc) {
                ret = -ENOMEM;