clk: mediatek: assign the initial value to clk_init_data of mtk_mux
authorWeiyi Lu <weiyi.lu@mediatek.com>
Wed, 27 May 2020 06:25:49 +0000 (14:25 +0800)
committerStephen Boyd <sboyd@kernel.org>
Fri, 29 May 2020 04:26:26 +0000 (21:26 -0700)
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@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1590560749-29136-1-git-send-email-weiyi.lu@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/mediatek/clk-mux.c

index 76f9cd0..14e127e 100644 (file)
@@ -160,7 +160,7 @@ struct clk *mtk_clk_register_mux(const struct mtk_mux *mux,
                                 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);