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| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-12-12 11:36:12 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-13 17:30:22 +0400 |
| commit | c8ea690dd0d1385a766d68c51832497181e013b8 (patch) | |
| tree | ab57b681c9d099d10d1d0996785240ddd07f9939 /tools/lib/traceevent | |
| parent | 7bb73553e2490ac6667387ee723e0faa61e9d999 (diff) | |
| download | linux-c8ea690dd0d1385a766d68c51832497181e013b8.tar.xz | |
tools lib traceevent: Refactor create_arg_item()
So that it can return a proper pevent_errno value.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1386833777-3790-10-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent')
| -rw-r--r-- | tools/lib/traceevent/event-parse.h | 3 | ||||
| -rw-r--r-- | tools/lib/traceevent/parse-filter.c | 20 |
2 files changed, 12 insertions, 11 deletions
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 5e4392d8e2d4..57b66aed8122 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -367,7 +367,8 @@ enum pevent_flag { _PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \ _PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \ _PE(REPARENT_FAILED, "failed to reparent filter OP"), \ - _PE(BAD_FILTER_ARG, "bad arg in filter tree") + _PE(BAD_FILTER_ARG, "bad arg in filter tree"), \ + _PE(UNEXPECTED_TYPE, "unexpected type (not a value)") #undef _PE #define _PE(__code, __str) PEVENT_ERRNO__ ## __code diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 9b05892566e0..8d71208f0131 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -368,9 +368,9 @@ static void free_events(struct event_list *events) } } -static struct filter_arg * +static enum pevent_errno create_arg_item(struct event_format *event, const char *token, - enum event_type type, char **error_str) + enum event_type type, struct filter_arg **parg, char **error_str) { struct format_field *field; struct filter_arg *arg; @@ -378,7 +378,7 @@ create_arg_item(struct event_format *event, const char *token, arg = allocate_arg(); if (arg == NULL) { show_error(error_str, "failed to allocate filter arg"); - return NULL; + return PEVENT_ERRNO__MEM_ALLOC_FAILED; } switch (type) { @@ -392,7 +392,7 @@ create_arg_item(struct event_format *event, const char *token, if (!arg->value.str) { free_arg(arg); show_error(error_str, "failed to allocate string filter arg"); - return NULL; + return PEVENT_ERRNO__MEM_ALLOC_FAILED; } break; case EVENT_ITEM: @@ -420,11 +420,11 @@ create_arg_item(struct event_format *event, const char *token, break; default: free_arg(arg); - show_error(error_str, "expected a value but found %s", - token); - return NULL; + show_error(error_str, "expected a value but found %s", token); + return PEVENT_ERRNO__UNEXPECTED_TYPE; } - return arg; + *parg = arg; + return 0; } static struct filter_arg * @@ -993,8 +993,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, case EVENT_SQUOTE: case EVENT_DQUOTE: case EVENT_ITEM: - arg = create_arg_item(event, token, type, error_str); - if (!arg) + ret = create_arg_item(event, token, type, &arg, error_str); + if (ret < 0) goto fail; if (!left_item) left_item = arg; |