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perf srcline: Do not return NULL for srcline

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The code assumes non-NULL srcline value always, let's return the usual
SRCLINE_UNKNOWN ("??:0") string instead.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221215192817.2734573-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2022-12-15 11:28:09 -08:00
committed by Arnaldo Carvalho de Melo
parent b50d691e50
commit ea335ef3dd
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/srcline.c
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@@ -716,7 +716,7 @@ char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
if (!show_addr)
return (show_sym && sym) ?
strndup(sym->name, sym->namelen) : NULL;
strndup(sym->name, sym->namelen) : SRCLINE_UNKNOWN;
if (sym) {
if (asprintf(&srcline, "%s+%" PRIu64, show_sym ? sym->name : "",