linux-kernel - [PATCH] clk: clk-atlas6: fix return value check in atlas6_clk

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Message-Id: <20200713032143.21362-1-vulab@iscas.ac.cn>
Date:   Mon, 13 Jul 2020 03:21:43 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     mturquette@...libre.com, sboyd@...nel.org, baohua@...nel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, Xu Wang <vulab@...as.ac.cn>
Subject: [PATCH] clk: clk-atlas6: fix return value check in atlas6_clk_init()

In case of error, the function clk_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/clk/sirf/clk-atlas6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c
index c84d5bab7ac2..b95483bb6a5e 100644
--- a/drivers/clk/sirf/clk-atlas6.c
+++ b/drivers/clk/sirf/clk-atlas6.c
@@ -135,7 +135,7 @@ static void __init atlas6_clk_init(struct device_node *np)
 
 	for (i = pll1; i < maxclk; i++) {
 		atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]);
-		BUG_ON(!atlas6_clks[i]);
+		BUG_ON(IS_ERR(atlas6_clks[i]));
 	}
 	clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu");
 	clk_register_clkdev(atlas6_clks[io],  NULL, "io");
-- 
2.17.1