linux-kernel - [PATCH -next] clk: sunxi: fix return value check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAPgLHd_RTeUgZtsLd=GqW7tG0q-ccDcd8gBNgDxo3E8qLE141g@mail.gmail.com>
Date:	Tue, 16 Jul 2013 20:17:45 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	mturquette@...aro.org, emilio@...pez.com.ar,
	gregory.clement@...e-electrons.com,
	maxime.ripard@...e-electrons.com, cate@...eee.net
Cc:	yongjun_wei@...ndmicro.com.cn,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next] clk: sunxi: fix return value check

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

In case of error, the function clk_register_composite() and
clk_register_factors() 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@...ndmicro.com.cn>
---
 drivers/clk/sunxi/clk-sunxi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 412912b..02e440b 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -64,7 +64,7 @@ static void __init sunxi_osc_clk_setup(struct device_node *node)
 			&gate->hw, &clk_gate_ops,
 			CLK_IS_ROOT);
 
-	if (clk) {
+	if (!IS_ERR(clk)) {
 		of_clk_add_provider(node, of_clk_src_simple_get, clk);
 		clk_register_clkdev(clk, clk_name, NULL);
 	}
@@ -221,7 +221,7 @@ static void __init sunxi_factors_clk_setup(struct device_node *node,
 	clk = clk_register_factors(NULL, clk_name, parent, 0, reg,
 				   data->table, data->getter, &clk_lock);
 
-	if (clk) {
+	if (!IS_ERR(clk)) {
 		of_clk_add_provider(node, of_clk_src_simple_get, clk);
 		clk_register_clkdev(clk, clk_name, NULL);
 	}

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/