linux-kernel - [PATCH] MIPS: ath79: Fix error handling

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Message-Id: <20161030082546.15019-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 30 Oct 2016 09:25:46 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     ralf@...ux-mips.org, antonynpavlov@...il.com, albeu@...e.fr,
        hackpascal@...il.com, amitoj1606@...il.com
Cc:     linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] MIPS: ath79: Fix error handling

'clk_register_fixed_rate()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 arch/mips/ath79/clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c
index cc3a1e33a600..c1102cffe37d 100644
--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -45,7 +45,7 @@ static struct clk *__init ath79_add_sys_clkdev(
 	int err;
 
 	clk = clk_register_fixed_rate(NULL, id, NULL, 0, rate);
-	if (!clk)
+	if (IS_ERR(clk))
 		panic("failed to allocate %s clock structure", id);
 
 	err = clk_register_clkdev(clk, id, NULL);
-- 
2.9.3