6.15-stable review patch. If anyone has any objections, please let me know.
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From: Sam Winchenbach swinchenbach@arka.org
[ Upstream commit fb6009a28d77edec4eb548b5875dae8c79b88467 ]
HZ_PER_MHZ is only unsigned long. This math overflows, leading to incorrect results.
Fixes: f34fe888ad05 ("iio:filter:admv8818: add support for ADMV8818") Signed-off-by: Sam Winchenbach swinchenbach@arka.org Link: https://patch.msgid.link/20250328174831.227202-4-sam.winchenbach@framepointe... Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/filter/admv8818.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/filter/admv8818.c b/drivers/iio/filter/admv8818.c index 3d8740caa1455..cd3aff9a2f7bf 100644 --- a/drivers/iio/filter/admv8818.c +++ b/drivers/iio/filter/admv8818.c @@ -154,7 +154,7 @@ static int __admv8818_hpf_select(struct admv8818_state *st, u64 freq) }
/* Close HPF frequency gap between 12 and 12.5 GHz */ - if (freq >= 12000 * HZ_PER_MHZ && freq <= 12500 * HZ_PER_MHZ) { + if (freq >= 12000ULL * HZ_PER_MHZ && freq < 12500ULL * HZ_PER_MHZ) { hpf_band = 3; hpf_step = 15; }