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perf srcline: Do not return NULL for srcline
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>
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@ -716,7 +716,7 @@ char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
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if (!show_addr)
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return (show_sym && sym) ?
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strndup(sym->name, sym->namelen) : NULL;
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strndup(sym->name, sym->namelen) : SRCLINE_UNKNOWN;
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if (sym) {
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if (asprintf(&srcline, "%s+%" PRIu64, show_sym ? sym->name : "",
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