Messages in this thread Patch in this message | | | Date | Sun, 25 Mar 2012 16:28:22 -0400 (EDT) | Subject | [PATCH 4/5] perf: Handle NULL dso in dso__name_len | From | David Miller <> |
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We should use "[unknown]" in this case, in concert with the code in _hist_entry__dso_snprintf().
Otherwise we'll crash when recomputing the histogram column lengths in hists__calc_col_len().
Signed-off-by: David S. Miller <davem@davemloft.net> --- tools/perf/util/symbol.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 5dd83c3..472b467 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -51,6 +51,8 @@ struct symbol_conf symbol_conf = { int dso__name_len(const struct dso *dso) { + if (!dso) + return strlen("[unknown]"); if (verbose) return dso->long_name_len; -- 1.7.9.1
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