gcc-7 suspects this code might be wrong because we use the
result of a multiplication as a bool:

drivers/video/fbdev/core/fbmon.c: In function 'fb_edid_add_monspecs':
drivers/video/fbdev/core/fbmon.c:1051:84: error: '*' in boolean context, 
suggest '&&' instead [-Werror=int-in-bool-context]

It's actually fine, so let's add a comparison to zero to make
that clear to the compiler too.

Signed-off-by: Arnd Bergmann <[email protected]>
---
 drivers/video/fbdev/core/fbmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index eaa6bab21839..99e45a49e435 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -1048,7 +1048,7 @@ void fb_edid_add_monspecs(unsigned char *edid, struct 
fb_monspecs *specs)
 
        for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE;
             i++, block += DETAILED_TIMING_DESCRIPTION_SIZE)
-               if (PIXEL_CLOCK)
+               if (PIXEL_CLOCK != 0)
                        edt[num++] = block - edid;
 
        /* Yikes, EDID data is totally useless */
-- 
2.9.0

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