clk: aspeed: Fix return value check in aspeed_cc_init()

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

Fixes: a2e230c7b2ea ("clk: Add clock driver for ASPEED BMC SoCs")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 6fb3447..f9b9688 100644 (file)
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -609,7 +609,7 @@ static void __init aspeed_cc_init(struct device_node *np)
        int i;
 
        scu_base = of_iomap(np, 0);
-       if (IS_ERR(scu_base))
+       if (!scu_base)
                return;
 
        aspeed_clk_data = kzalloc(sizeof(*aspeed_clk_data) +