target/linux/bcm27xx/patches-5.15/950-0856-clk-Zero-the-clk_rate_request-structure.patch

   1 From a067f7842c9371cd487fef6872380937db24d9e5 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Sat, 2 Apr 2022 14:37:39 +0200
   4 Subject: [PATCH] clk: Zero the clk_rate_request structure
   5
   6 In order to make sure we don't carry anything over from an already
   7 existing clk_rate_request pointer we would pass to
   8 clk_core_init_rate_req(), let's zero the entire structure before
   9 initializing it.
  10
  11 Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # imx8mp
  12 Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> # exynos4210, meson g12b
  13 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  14 ---
  15  drivers/clk/clk.c | 2 ++
  16  1 file changed, 2 insertions(+)
  17
  18 --- a/drivers/clk/clk.c
  19 +++ b/drivers/clk/clk.c
  20 @@ -1439,6 +1439,8 @@ static void clk_core_init_rate_req(struc
  21         if (WARN_ON(!core || !req))
  22                 return;
  23
  24 +       memset(req, 0, sizeof(*req));
  25 +
  26         req->rate = rate;
  27         clk_core_get_boundaries(core, &req->min_rate, &req->max_rate);
  28