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perf data: Force perf_data__open|close zero data->file.path

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Making sure the data->file.path is zeroed on perf_data__open error path
and in perf_data__close, so we don't double free it in case someone call
it twice.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de>
Cc: Nageswara R Sastry <nasastry@in.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Link: http://lkml.kernel.org/r/20190305152536.21035-9-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-03-05 16:25:36 +01:00 committed by Arnaldo Carvalho de Melo
parent befa09b61f
commit b8f7d86b58
1 changed files with 2 additions and 2 deletions
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4
tools/perf/util/data.c
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@ -237,7 +237,7 @@ static int open_file(struct perf_data *data)
open_file_read(data) : open_file_write(data);
if (fd < 0) {
free(data->file.path);
zfree(&data->file.path);
return -1;
}
@ -270,7 +270,7 @@ int perf_data__open(struct perf_data *data)
void perf_data__close(struct perf_data *data)
{
free(data->file.path);
zfree(&data->file.path);
close(data->file.fd);
}