diff options
| author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 10:21:55 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 10:21:55 +0100 |
| commit | edd1533d3ccd82dd5d600986d27d524e6be4c5fd (patch) | |
| tree | 1ac5ae82ea63114d5c13212e2819531e4507f800 /kernel/trace/trace_uprobe.c | |
| parent | 7d8fe4cfc54b5fb2093e12cffa8ca74d3c88e0fa (diff) | |
| parent | 98d67f250472cdd0f8d083830be3ec9dbb0c65a8 (diff) | |
Merge branch 'for-6.1/logitech' into for-linus
- Add hanlding of all Bluetooth HID++ devices and fixes in hid++
(Bastien Nocera)
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 88ba5b4bd0c5..fb58e86dd117 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -313,7 +313,8 @@ static bool trace_uprobe_match(const char *system, const char *event, { struct trace_uprobe *tu = to_trace_uprobe(ev); - return strcmp(trace_probe_name(&tu->tp), event) == 0 && + return (event[0] == '\0' || + strcmp(trace_probe_name(&tu->tp), event) == 0) && (!system || strcmp(trace_probe_group_name(&tu->tp), system) == 0) && trace_uprobe_match_command_head(tu, argc, argv); } @@ -533,7 +534,7 @@ end: /* * Argument syntax: - * - Add uprobe: p|r[:[GRP/]EVENT] PATH:OFFSET[%return][(REF)] [FETCHARGS] + * - Add uprobe: p|r[:[GRP/][EVENT]] PATH:OFFSET[%return][(REF)] [FETCHARGS] */ static int __trace_uprobe_create(int argc, const char **argv) { @@ -541,6 +542,7 @@ static int __trace_uprobe_create(int argc, const char **argv) const char *event = NULL, *group = UPROBE_EVENT_SYSTEM; char *arg, *filename, *rctr, *rctr_end, *tmp; char buf[MAX_EVENT_NAME_LEN]; + char gbuf[MAX_EVENT_NAME_LEN]; enum probe_print_type ptype; struct path path; unsigned long offset, ref_ctr_offset; @@ -645,11 +647,13 @@ static int __trace_uprobe_create(int argc, const char **argv) /* setup a probe */ trace_probe_log_set_index(0); if (event) { - ret = traceprobe_parse_event_name(&event, &group, buf, + ret = traceprobe_parse_event_name(&event, &group, gbuf, event - argv[0]); if (ret) goto fail_address_parse; - } else { + } + + if (!event) { char *tail; char *ptr; |