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clk: sunxi: Fix return value check in sun8i_a23_mbus_setup() 

In case of error, the function of_io_request_and_map() returns ERR_PTR()
and never returns 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>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Wei Yongjun 2016-07-06 12:21:47 +00:00 committed by Maxime Ripard
parent 7e196aa1a0
commit fbe359f12c
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/sunxi/clk-sun8i-mbus.c
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@ -48,7 +48,7 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node)
return;
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (!reg) {
if (IS_ERR(reg)) {
pr_err("Could not get registers for sun8i-mbus-clk\n");
goto err_free_parents;
}