perf hist: Add missing map__put() in error case
authorChangbin Du <changbin.du@gmail.com>
Sat, 16 Mar 2019 08:05:49 +0000 (16:05 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 20 Apr 2019 07:15:02 +0000 (09:15 +0200)
commitff22178b282675fa3542763f8e67cbb40f3f9bfd
tree6e39b69d8fbc382b1193c827de0b659b88e9b263
parentdac5fedfc9070bf1fcb14b0dd9ef812aa5c5c2a6
perf hist: Add missing map__put() in error case

[ Upstream commit cb6186aeffda4d27e56066c79e9579e7831541d3 ]

We need to map__put() before returning from failure of
sample__resolve_callchain().

Detected with gcc's ASan.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Fixes: 9c68ae98c6f7 ("perf callchain: Reference count maps")
Link: http://lkml.kernel.org/r/20190316080556.3075-10-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
tools/perf/util/hist.c