linux-kernel - [PATCH] ARM: spear: Fix error handling

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Date:   Sat, 29 Oct 2016 15:58:39 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     vireshk@...nel.org, shiraz.linux.kernel@...il.com,
        linux@...linux.org.uk
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] ARM: spear: Fix error handling

'clk_get_sys()' 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/arm/mach-spear/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
index 9ccffc1d0f28..4878ba90026d 100644
--- a/arch/arm/mach-spear/time.c
+++ b/arch/arm/mach-spear/time.c
@@ -233,7 +233,7 @@ void __init spear_setup_of_timer(void)
 	}
 
 	gpt_clk = clk_get_sys("gpt0", NULL);
-	if (!gpt_clk) {
+	if (IS_ERR(gpt_clk)) {
 		pr_err("%s:couldn't get clk for gpt\n", __func__);
 		goto err_iomap;
 	}
-- 
2.9.3