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

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commit 8b3d743fc9e2542822826890b482afabf0e7522a upstream.

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 <m.szyprowski@samsung.com>
Fixes: abae8e57e49a ("clk: generalize devm_clk_get() a bit")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220620171815.114212-1-u.kleine-koenig@pengutronix.de
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2022-06-20 19:18:15 +02:00 • committed by Greg Kroah-Hartman
commit 1a5119369a
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/clk-devres.c
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@ -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);