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clk: qcom: clk-rpmh: prevent integer overflow in recalc_rate

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aggr_state and unit fields are u32. The result of their
multiplication may not fit in this type.

Add explicit casting to prevent overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 04053f4d23 ("clk: qcom: clk-rpmh: Add IPA clock support")
Cc: stable@vger.kernel.org # 5.4+
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Link: https://lore.kernel.org/r/20241203084231.6001-1-abelova@astralinux.ru
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Anastasia Belova 2024-12-03 11:42:31 +03:00 committed by Bjorn Andersson
parent 39d6dcf67f
commit 89aa5925d2
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/qcom/clk-rpmh.c
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@ -329,7 +329,7 @@ static unsigned long clk_rpmh_bcm_recalc_rate(struct clk_hw *hw,
{
struct clk_rpmh *c = to_clk_rpmh(hw);
return c->aggr_state * c->unit;
return (unsigned long)c->aggr_state * c->unit;
}
static const struct clk_ops clk_rpmh_bcm_ops = {