[PATCH v2 2/6] clk: samsung: fix error handling in pll register functions

["Heiko Stübner" <heiko@sntech.de>]

kmalloc has its own error reporting when the allocation fails and
the register functions also should return the correct ERR_PTR(-ENOMEM)
when it happens.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 drivers/clk/samsung/clk-pll.c |   30 ++++++++++--------------------
 1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index 9153e46..0afaec6 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -79,10 +79,8 @@ struct clk * __init samsung_clk_register_pll35xx(const char *name,
 	struct clk_init_data init;
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("%s: could not allocate pll clk %s\n", __func__, name);
-		return NULL;
-	}
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
 	init.ops = &samsung_pll35xx_clk_ops;
@@ -153,10 +151,8 @@ struct clk * __init samsung_clk_register_pll36xx(const char *name,
 	struct clk_init_data init;
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("%s: could not allocate pll clk %s\n", __func__, name);
-		return NULL;
-	}
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
 	init.ops = &samsung_pll36xx_clk_ops;
@@ -227,10 +223,8 @@ struct clk * __init samsung_clk_register_pll45xx(const char *name,
 	struct clk_init_data init;
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("%s: could not allocate pll clk %s\n", __func__, name);
-		return NULL;
-	}
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
 	init.ops = &samsung_pll45xx_clk_ops;
@@ -308,10 +302,8 @@ struct clk * __init samsung_clk_register_pll46xx(const char *name,
 	struct clk_init_data init;
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("%s: could not allocate pll clk %s\n", __func__, name);
-		return NULL;
-	}
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
 	init.ops = &samsung_pll46xx_clk_ops;
@@ -385,10 +377,8 @@ struct clk * __init samsung_clk_register_pll2550x(const char *name,
 	struct clk_init_data init;
 
 	pll = kzalloc(sizeof(*pll), GFP_KERNEL);
-	if (!pll) {
-		pr_err("%s: could not allocate pll clk %s\n", __func__, name);
-		return NULL;
-	}
+	if (!pll)
+		return ERR_PTR(-ENOMEM);
 
 	init.name = name;
 	init.ops = &samsung_pll2550x_clk_ops;
-- 
1.7.10.4