[PATCH 01/30] perf probe: Fix to close probe_events file in error

From: Arnaldo Carvalho de Melo
Date: Fri May 08 2015 - 17:05:27 EST

From: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>

Fix perf-probe to close probe_events file if it failed to get existing
probe's name. This also fix the return error code to -ENOMEM.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: hemant@xxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20150506124640.4961.26062.stgit@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
tools/perf/util/probe-event.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index abf5845..230353f 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2384,7 +2384,8 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
namelist = get_probe_trace_event_names(fd, false);
if (!namelist) {
pr_debug("Failed to get current event list.\n");
- return -EIO;
+ ret = -ENOMEM;
+ goto close_out;
/* Get kprobe blacklist if exists */
if (!pev->uprobes) {
@@ -2467,6 +2468,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,

return ret;

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/