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authorDavid Miller <davem@davemloft.net>2012-03-25 16:28:22 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-03-27 11:00:58 -0300
commit1e2dd2f73afdc810cc7400b7036232fbdc416eeb (patch)
tree3f525b57114571616b3fda2fe80d9a2b4709849d /tools
parent3738d40ec51317eb8390218a33513ca35656f107 (diff)
downloadlinux-1e2dd2f73afdc810cc7400b7036232fbdc416eeb.tar.gz
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.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index d9e995bf8b6..c0a028c3eba 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;