edid: Fix gcc 7.1 warning

This commit fixes the warning produced by gcc 7.1.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/common/edid.c b/common/edid.c
index 19410aa4fcc52c3ff993dfe8d64a5b470d419c1b..854d40c8f8b46817efdb251e026a3eaf1462749e 100644 (file)
--- a/common/edid.c
+++ b/common/edid.c
@@ -295,7 +295,7 @@ static void edid_print_dtd(struct edid_monitor_descriptor *monitor,
 
                h_total = h_active + h_blanking;
                v_total = v_active + v_blanking;
-               if (v_total * h_total)
+               if (v_total > 0 && h_total > 0)
                        vfreq = pixclock / (v_total * h_total);
                else
                        vfreq = 1; /* Error case */