[3.19.y-ckt stable] Patch "clk: rockchip: free memory in error cases when registering clock branches" has been added to the 3.19.y-ckt tree

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    clk: rockchip: free memory in error cases when registering clock branches

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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

>From 48bd10b3728fde52304d86d8363723355a19039c Mon Sep 17 00:00:00 2001
From: Shawn Lin <shawn.lin at rock-chips.com>
Date: Tue, 2 Feb 2016 11:37:50 +0800
Subject: clk: rockchip: free memory in error cases when registering clock
 branches

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 at rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko at sntech.de>
Signed-off-by: Kamal Mostafa <kamal at 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