[WATCHDOG] gef_wdt.c: fsl_get_sys_freq() failure not noticed

fsl_get_sys_freq() may return -1 when 'soc' isn't found, but in
gef_wdt_probe() 'freq' is unsigned, so the test doesn't catch that.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index f0c2b7a1a175b0d23bbaec7878f8da9e5d8b2768..734d9806a872bc300ad756ab7978192025a58f37 100644 (file)
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -269,7 +269,7 @@ static int __devinit gef_wdt_probe(struct of_device *dev,
        bus_clk = 133; /* in MHz */
 
        freq = fsl_get_sys_freq();
-       if (freq > 0)
+       if (freq != -1)
                bus_clk = freq;
 
        /* Map devices registers into memory */