[PATCH] clk: rockchip: free memory for error handle

From: Shawn Lin
Date: Mon Feb 01 2016 - 22:42:31 EST


Add free memeory if rockchip_clk_register_branch
failed.

Fixes: a245fecbb806 ("clk: rockchip: add basic infrastructure...")
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---

drivers/clk/rockchip/clk.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index d9a0b5d..62fbe2c 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -70,7 +70,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (gate_offset >= 0) {
gate = kzalloc(sizeof(*gate), GFP_KERNEL);
if (!gate)
- return ERR_PTR(-ENOMEM);
+ goto err_gate;

gate->flags = gate_flags;
gate->reg = base + gate_offset;
@@ -82,7 +82,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (div_width > 0) {
div = kzalloc(sizeof(*div), GFP_KERNEL);
if (!div)
- return ERR_PTR(-ENOMEM);
+ goto err_div;

div->flags = div_flags;
div->reg = base + muxdiv_offset;
@@ -100,6 +100,11 @@ static struct clk *rockchip_clk_register_branch(const char *name,
flags);

return clk;
+err_div:
+ kfree(gate);
+err_gate:
+ kfree(mux);
+ return ERR_PTR(-ENOMEM);
}

struct rockchip_clk_frac {
--
2.3.7