From: Arnaldo Carvalho de Melo <acme@redhat.com> [ Upstream commit 210e4c89ef61432040c6cd828fefa441f4887186 ] The 'ret' variable was initialized to zero but then it was not updated from the fprintf() return, fix it. Reported-by: Yang Li <yang.lee@linux.alibaba.com> cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> cc: Ingo Molnar <mingo@redhat.com> cc: Jiri Olsa <jolsa@redhat.com> cc: Mark Rutland <mark.rutland@arm.com> cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Fixes: 90f18e63fbd00513 ("perf symbols: List symbols in a dso in ascending name order") Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- tools/perf/util/symbol_fprintf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/symbol_fprintf.c b/tools/perf/util/symbol_fprintf.c index ed0205cc79426..1fd175bb46004 100644 --- a/tools/perf/util/symbol_fprintf.c +++ b/tools/perf/util/symbol_fprintf.c @@ -66,7 +66,7 @@ size_t dso__fprintf_symbols_by_name(struct dso *dso, for (nd = rb_first(&dso->symbol_names); nd; nd = rb_next(nd)) { pos = rb_entry(nd, struct symbol_name_rb_node, rb_node); - fprintf(fp, "%s\n", pos->sym.name); + ret += fprintf(fp, "%s\n", pos->sym.name); } return ret; -- 2.25.1