linux-kernel - [PATCH 5.7 309/376] clk: mediatek: assign the initial value to clk_init_data of mtk

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Date:   Fri, 19 Jun 2020 16:33:47 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Weiyi Lu <weiyi.lu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Stephen Boyd <sboyd@...nel.org>
Subject: [PATCH 5.7 309/376] clk: mediatek: assign the initial value to clk_init_data of mtk_mux

From: Weiyi Lu <weiyi.lu@...iatek.com>

commit 571cfadcc628dd5591444f7289e27445ea732f4c upstream.

When some new clock supports are introduced, e.g. [1]
it might lead to an error although it should be NULL because
clk_init_data is on the stack and it might have random values
if using without initialization.
Add the missing initial value to clk_init_data.

[1] https://android-review.googlesource.com/c/kernel/common/+/1278046

Fixes: a3ae549917f1 ("clk: mediatek: Add new clkmux register API")
Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
Cc: <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/1590560749-29136-1-git-send-email-weiyi.lu@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/clk/mediatek/clk-mux.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/clk/mediatek/clk-mux.c
+++ b/drivers/clk/mediatek/clk-mux.c
@@ -160,7 +160,7 @@ struct clk *mtk_clk_register_mux(const s
 				 spinlock_t *lock)
 {
 	struct mtk_clk_mux *clk_mux;
-	struct clk_init_data init;
+	struct clk_init_data init = {};
 	struct clk *clk;
 
 	clk_mux = kzalloc(sizeof(*clk_mux), GFP_KERNEL);