This is a note to let you know that I've just added the patch titled
clk: at91: fix check of clk_register() returned value
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
clk-at91-fix-check-of-clk_register-returned-value.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cb0ceaf77d93964a0d00477c79f4499123f6159c Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vz@xxxxxxxxx>
Date: Tue, 8 Mar 2016 01:41:29 +0200
Subject: clk: at91: fix check of clk_register() returned value
From: Vladimir Zapolskiy <vz@xxxxxxxxx>
commit cb0ceaf77d93964a0d00477c79f4499123f6159c upstream.
The clk_register() function returns a valid pointer to struct clk or
ERR_PTR() error code, this makes a check for returned NULL value
useless and may lead to oops on error path.
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Fixes: bcc5fd49a0fd ("clk: at91: add a driver for the h32mx clock")
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/clk/at91/clk-h32mx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/clk/at91/clk-h32mx.c
+++ b/drivers/clk/at91/clk-h32mx.c
@@ -116,7 +116,7 @@ void __init of_sama5d4_clk_h32mx_setup(s
h32mxclk->pmc = pmc;
clk = clk_register(NULL, &h32mxclk->hw);
- if (!clk) {
+ if (IS_ERR(clk)) {
kfree(h32mxclk);
return;
}
Patches currently in stable-queue which might be from vz@xxxxxxxxx are
queue-4.4/clk-at91-fix-check-of-clk_register-returned-value.patch
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