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| author | David Miller <davem@davemloft.net> | 2012-03-25 16:28:22 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-03-27 11:00:58 -0300 |
| commit | 1e2dd2f73afdc810cc7400b7036232fbdc416eeb (patch) | |
| tree | 3f525b57114571616b3fda2fe80d9a2b4709849d /tools | |
| parent | 3738d40ec51317eb8390218a33513ca35656f107 (diff) | |
| download | lwn-1e2dd2f73afdc810cc7400b7036232fbdc416eeb.tar.gz lwn-1e2dd2f73afdc810cc7400b7036232fbdc416eeb.zip | |
perf symbols: Handle NULL dso in dso__name_len
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>
Link: http://lkml.kernel.org/r/20120325.162822.2267799792062571623.davem@davemloft.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | 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 d9e995bf8b6f..c0a028c3ebaf 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -50,6 +50,8 @@ 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; |