diff options
| -rw-r--r-- | kernel/trace/trace_probe.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index baf58a3612c0..905b10af5d5c 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -178,6 +178,16 @@ void __trace_probe_log_err(int offset, int err_type) if (!command) return; + if (trace_probe_log.index >= trace_probe_log.argc) { + /** + * Set the error position is next to the last arg + space. + * Note that len includes the terminal null and the cursor + * appaers at pos + 1. + */ + pos = len; + offset = 0; + } + /* And make a command string from argv array */ p = command; for (i = 0; i < trace_probe_log.argc; i++) { @@ -1084,6 +1094,12 @@ int trace_probe_compare_arg_type(struct trace_probe *a, struct trace_probe *b) { int i; + /* In case of more arguments */ + if (a->nr_args < b->nr_args) + return a->nr_args + 1; + if (a->nr_args > b->nr_args) + return b->nr_args + 1; + for (i = 0; i < a->nr_args; i++) { if ((b->nr_args <= i) || ((a->args[i].type != b->args[i].type) || |