clk: prima2: fix return value check in sirfsoc_of_clk_init()

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@trendmicro.com.cn>
Acked-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: added missing parenthesis to fix compile break]

diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c
index f8e9d0c27be27252f53aeb0ecec904c9caabc99a..643ca653fef026b2de60235a1ef401e67c88148a 100644 (file)
--- 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");