Staging: gdm724x: Use min instead of ternary operator

This patch replaces ternary operator with macro min as it shorter and
thus increases code readability. Macro min return the minimum of the
two compared values.
Made a semantic patch for changes:

@@
type T;
T x;
T y;
@@
(
- x < y ? x : y
+ min(x,y)
|
- x > y ? x : y
+ max(x,y)
)
Signed-off-by: NBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gdm724x/gdm_mux.c

@@ -433,7 +433,7 @@ static int gdm_mux_send_control(void *priv_dev, int request, int value,
 	if (ret < 0)
 		pr_err("usb_control_msg error: %d\n", ret);
 
-	return ret < 0 ? ret : 0;
+	return min(ret, 0);
 }
 
 static void release_usb(struct mux_dev *mux_dev)