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Message-ID: <1634316507-227751-2-git-send-email-john.garry@huawei.com> Date: Sat, 16 Oct 2021 00:48:26 +0800 From: John Garry <john.garry@...wei.com> To: <peterz@...radead.org>, <acme@...nel.org>, <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>, <namhyung@...nel.org>, <mingo@...hat.com> CC: <irogers@...gle.com>, <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <kjain@...ux.ibm.com>, John Garry <john.garry@...wei.com> Subject: [PATCH 1/2] perf jevents: Fix some would-be warnings Before enabling warnings through HOSTCFLAGS, fix the would-be warnings: HOSTCC pmu-events/jevents.o pmu-events/jevents.c:74:22: warning: no previous prototype for ‘convert’ [-Wmissing-prototypes] 74 | enum aggr_mode_class convert(const char *aggr_mode) | ^~~~~~~ pmu-events/jevents.c: In function ‘print_events_table_entry’: pmu-events/jevents.c:373:8: warning: declaration of ‘topic’ shadows a global declaration [-Wshadow] 373 | char *topic = pd->topic; | ^~~~~ pmu-events/jevents.c:316:14: note: shadowed declaration is here 316 | static char *topic; | ^~~~~ pmu-events/jevents.c: In function ‘json_events’: pmu-events/jevents.c:554:9: warning: declaration of ‘func’ shadows a global declaration [-Wshadow] 554 | int (*func)(void *data, struct json_event *je), | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ pmu-events/jevents.c:85:15: note: shadowed declaration is here 85 | typedef int (*func)(void *data, struct json_event *je); | ^~~~ pmu-events/jevents.c: In function ‘main’: pmu-events/jevents.c:1211:25: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 1211 | char *err_string_ext = ""; | ^~ pmu-events/jevents.c:1304:17: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 1304 | err_string_ext = " for std arch event"; | ^ Signed-off-by: John Garry <john.garry@...wei.com> --- tools/perf/pmu-events/jevents.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 19497e4f8a86..b6bd33d85066 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -71,7 +71,7 @@ struct json_event { char *metric_constraint; }; -enum aggr_mode_class convert(const char *aggr_mode) +static enum aggr_mode_class convert(const char *aggr_mode) { if (!strcmp(aggr_mode, "PerCore")) return PerCore; @@ -82,8 +82,6 @@ enum aggr_mode_class convert(const char *aggr_mode) return -1; } -typedef int (*func)(void *data, struct json_event *je); - static LIST_HEAD(sys_event_tables); struct sys_event_table { @@ -370,7 +368,7 @@ static int print_events_table_entry(void *data, struct json_event *je) { struct perf_entry_data *pd = data; FILE *outfp = pd->outfp; - char *topic = pd->topic; + char *topic_local = pd->topic; /* * TODO: Remove formatting chars after debugging to reduce @@ -385,7 +383,7 @@ static int print_events_table_entry(void *data, struct json_event *je) fprintf(outfp, "\t.desc = \"%s\",\n", je->desc); if (je->compat) fprintf(outfp, "\t.compat = \"%s\",\n", je->compat); - fprintf(outfp, "\t.topic = \"%s\",\n", topic); + fprintf(outfp, "\t.topic = \"%s\",\n", topic_local); if (je->long_desc && je->long_desc[0]) fprintf(outfp, "\t.long_desc = \"%s\",\n", je->long_desc); if (je->pmu) @@ -1208,7 +1206,7 @@ int main(int argc, char *argv[]) const char *arch; const char *output_file; const char *start_dirname; - char *err_string_ext = ""; + const char *err_string_ext = ""; struct stat stbuf; prog = basename(argv[0]); -- 2.26.2
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