diff options
| -rw-r--r-- | kernel/trace/trace.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_events.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_probe.c | 4 | ||||
| -rw-r--r-- | kernel/trace/trace_stack.c | 2 |
5 files changed, 6 insertions, 6 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 5afcfecb4bc2..eac2824a18ab 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4411,7 +4411,7 @@ static int trace_set_options(struct trace_array *tr, char *option) cmp = strstrip(option); - if (strncmp(cmp, "no", 2) == 0) { + if (str_has_prefix(cmp, "no")) { neg = 1; cmp += 2; } diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index bd0162c0467c..5b3b0c3c8a47 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1251,7 +1251,7 @@ static int f_show(struct seq_file *m, void *v) */ array_descriptor = strchr(field->type, '['); - if (!strncmp(field->type, "__data_loc", 10)) + if (str_has_prefix(field->type, "__data_loc")) array_descriptor = NULL; if (!array_descriptor) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 9d590138f870..0d878dcd1e4b 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -518,7 +518,7 @@ static int synth_event_define_fields(struct trace_event_call *call) static bool synth_field_signed(char *type) { - if (strncmp(type, "u", 1) == 0) + if (str_has_prefix(type, "u")) return false; return true; diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index ff86417c0149..541375737403 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -194,7 +194,7 @@ static int parse_probe_vars(char *arg, const struct fetch_type *t, code->op = FETCH_OP_RETVAL; else ret = -EINVAL; - } else if (strncmp(arg, "stack", 5) == 0) { + } else if (str_has_prefix(arg, "stack")) { if (arg[5] == '\0') { code->op = FETCH_OP_STACKP; } else if (isdigit(arg[5])) { @@ -213,7 +213,7 @@ static int parse_probe_vars(char *arg, const struct fetch_type *t, #ifdef CONFIG_HAVE_FUNCTION_ARG_ACCESS_API } else if (((flags & TPARG_FL_MASK) == (TPARG_FL_KERNEL | TPARG_FL_FENTRY)) && - strncmp(arg, "arg", 3) == 0) { + str_has_prefix(arg, "arg")) { if (!isdigit(arg[3])) return -EINVAL; ret = kstrtoul(arg + 3, 10, ¶m); diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index e2a153fc1afc..3641f28c343f 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -448,7 +448,7 @@ static char stack_trace_filter_buf[COMMAND_LINE_SIZE+1] __initdata; static __init int enable_stacktrace(char *str) { - if (strncmp(str, "_filter=", 8) == 0) + if (str_has_prefix(str, "_filter=")) strncpy(stack_trace_filter_buf, str+8, COMMAND_LINE_SIZE); stack_tracer_enabled = 1; |