On Thu, 29 Feb 2024, Dan Carpenter wrote: > These need to be signed for the error handling to work. The > mlxbf_pmc_get_event_num() function returns int so int type is correct. > > Fixes: 1ae9ffd303c2 ("platform/mellanox: mlxbf-pmc: Cleanup signed/unsigned mix-up") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > --- > The code in mlxbf_pmc_valid_range() has a check for negatives but that > has a signedness bug too. Fortunately "(u32)-EINVAL + 8" will not > result in an integer overflow so the offset is treated as invalid. Hi, While this patch itself was fine so I applied it, when reviewing the patch I noticed that some of the kstrtouint() derived values were not properly bound checked (some were fed directly to FIELD_PREP()). -- i.