[PATCH] clk: keystone: Fix an error checking

[Christophe JAILLET]

clk_register_pll() can return ERR_PTR(-ENOMEM) so here the check against
NULL only is not correct.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Un-compiled and un-tested.
---
 drivers/clk/keystone/pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c
index a26ba2184454..b936029fa211 100644
--- a/drivers/clk/keystone/pll.c
+++ b/drivers/clk/keystone/pll.c
@@ -213,7 +213,7 @@ static void __init _of_pll_clk_init(struct device_node *node, bool pllctrl)
 	}
 
 	clk = clk_register_pll(NULL, node->name, parent_name, pll_data);
-	if (clk) {
+	if (!IS_ERR_OR_NULL(clk)) {
 		of_clk_add_provider(node, of_clk_src_simple_get, clk);
 		return;
 	}
-- 
2.9.3