lkml.org 
[lkml]   [2016]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3.19.y-ckt 127/170] clk: rockchip: free memory in error cases when registering clock branches
Date
3.19.8-ckt18 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Shawn Lin <shawn.lin@rock-chips.com>

commit 2467b6745e0ae9c6cdccff24c4cceeb14b1cce3f upstream.

Add free memeory if rockchip_clk_register_branch fails.

Fixes: a245fecbb806 ("clk: rockchip: add basic infrastructure...")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
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 20e05bb..fafa540 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);
}

static struct clk *rockchip_clk_register_frac_branch(const char *name,
--
2.7.4
\
 
 \ /
  Last update: 2016-04-02 03:41    [W:0.771 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site