github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-08-01 20:22:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iio: filter: admv8818: fix integer overflow

Browse Source 
HZ_PER_MHZ is only unsigned long. This math overflows, leading to
incorrect results.

Fixes: f34fe888ad ("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@framepointer.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Sam Winchenbach 2025-03-28 13:48:28 -04:00 committed by Jonathan Cameron
parent ef0ce24f59
commit fb6009a28d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iio/filter/admv8818.c
View File

@ -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;
}