[PATCH] MIPS: ath79: Fix error handling

[Christophe JAILLET]

'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.jail...@wanadoo.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