clk: Fix pointer casting to prevent oops in devm_clk_release()

The release function is called with a pointer to the memory returned by
devres_alloc(). I was confused about that by the code before the
generalization that used a struct clk **ptr.

Reported-by: Marek Szyprowski <[email protected]>
Fixes: abae8e5 ("clk: generalize devm_clk_get() a bit")
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Tested-by: Marek Szyprowski <[email protected]>
Tested-by: Linux Kernel Functional Testing <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>

Author: Uwe Kleine-König

drivers/clk/clk-devres.c

@@ -11,7 +11,7 @@ struct devm_clk_state {
 
 static void devm_clk_release(struct device *dev, void *res)
 {
-	struct devm_clk_state *state = *(struct devm_clk_state **)res;
+	struct devm_clk_state *state = res;
 
 	if (state->exit)
 		state->exit(state->clk);