Offering: HULK hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAJUN4 -------------------------------- The smatch tool complains about impossible condition warning shown below: drivers/platform/mpam/mpam_resctrl.c:414 resctrl_arch_rmid_read() warn: impossible condition '(cfg.mon == ((~0) + 1)) => (0-u16max == 65536)' The USE_RMID_IDX macro is a 32-bit data type, as the assignment object, cfg.mon should also be a 32-bit unsigned variable. Fixes: 21ac9fc8f275 ("arm_mpam: Track bandwidth counter state for overflow and power management") Signed-off-by: Zeng Heng <zengheng4@huawei.com> --- drivers/platform/mpam/mpam_internal.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/mpam/mpam_internal.h b/drivers/platform/mpam/mpam_internal.h index 119660a53e16..a613e5a77a85 100644 --- a/drivers/platform/mpam/mpam_internal.h +++ b/drivers/platform/mpam/mpam_internal.h @@ -194,7 +194,7 @@ enum mon_filter_options { }; struct mon_cfg { - u16 mon; + u32 mon; u8 pmg; bool match_pmg; u32 partid; -- 2.25.1