[PATCH] clk: prima2: fix return value check in sirfsoc_of_clk_init()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

In case of error, the function clk_get() returns ERR_PTR()
not NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
 drivers/clk/clk-prima2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c
index f8e9d0c..b208665 100644
--- a/drivers/clk/clk-prima2.c
+++ b/drivers/clk/clk-prima2.c
@@ -1113,7 +1113,7 @@ void __init sirfsoc_of_clk_init(void)
 
 	for (i = pll1; i < maxclk; i++) {
 		prima2_clks[i] = clk_register(NULL, prima2_clk_hw_array[i]);
-		BUG_ON(!prima2_clks[i]);
+		BUG_ON(IS_ERR(prima2_clks[i]);
 	}
 	clk_register_clkdev(prima2_clks[cpu], NULL, "cpu");
 	clk_register_clkdev(prima2_clks[io],  NULL, "io");