arm: tegra: fix error check in tegra2_clocks.c

Checking 'rate < 0' doesn't work because 'rate' is unsigned.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Colin Cross <ccross@android.com>

diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index 6d7c4eea4dcbcd95a567635667d2ccf557878808..4459470c052de3f97ea29ec138c0a2006787328b 100644 (file)
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1362,14 +1362,15 @@ static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate)
 {
        unsigned long flags;
        int ret;
+       long new_rate = rate;
 
-       rate = clk_round_rate(c->parent, rate);
-       if (rate < 0)
-               return rate;
+       new_rate = clk_round_rate(c->parent, new_rate);
+       if (new_rate < 0)
+               return new_rate;
 
        spin_lock_irqsave(&c->parent->spinlock, flags);
 
-       c->u.shared_bus_user.rate = rate;
+       c->u.shared_bus_user.rate = new_rate;
        ret = tegra_clk_shared_bus_update(c->parent);
 
        spin_unlock_irqrestore(&c->parent->spinlock, flags);