strncmp(str, const, len) is error-prone. We had better use newly introduced str_has_prefix() instead of it.
Signed-off-by: Chuhong Yuan <[email protected]> --- kernel/sched/debug.c | 2 +- kernel/sched/isolation.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index f7e4579e746c..6a77bf51e4d3 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -103,7 +103,7 @@ static int sched_feat_set(char *cmp) int i; int neg = 0; - if (strncmp(cmp, "NO_", 3) == 0) { + if (str_has_prefix(cmp, "NO_")) { neg = 1; cmp += 3; } diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c index ccb28085b114..cd5dfa93095d 100644 --- a/kernel/sched/isolation.c +++ b/kernel/sched/isolation.c @@ -143,13 +143,13 @@ static int __init housekeeping_isolcpus_setup(char *str) unsigned int flags = 0; while (isalpha(*str)) { - if (!strncmp(str, "nohz,", 5)) { + if (str_has_prefix(str, "nohz,")) { str += 5; flags |= HK_FLAG_TICK; continue; } - if (!strncmp(str, "domain,", 7)) { + if (str_has_prefix(str, "domain,")) { str += 7; flags |= HK_FLAG_DOMAIN; continue; -- 2.20.1
