[PATCH] ARM: spear: Fix error handling

[Christophe JAILLET]

'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.jail...@wanadoo.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