clk: Zero the clk_rate_request structure

In order to make sure we don't carry anything over from an already
existing clk_rate_request pointer we would pass to
clk_core_init_rate_req(), let's zero the entire structure before
initializing it.

Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # imx8mp
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> # exynos4210, meson g12b
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220816112530.1837489-23-maxime@cerno.tech
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 3f60eb836980db515df622b8c466177687bf67b9..6b358448885b6c4eee28bd1c755a33ea0abd84fd 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1447,6 +1447,8 @@ static void clk_core_init_rate_req(struct clk_core * const core,
        if (WARN_ON(!core || !req))
                return;
 
+       memset(req, 0, sizeof(*req));
+
        req->rate = rate;
        clk_core_get_boundaries(core, &req->min_rate, &req->max_rate);