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perf config: Handle NULL at perf_config_set__delete() 

perf_config_set__delete() purge and free the config set that contains
all config key-value pairs.  But if the config set (i.e. 'set' variable
at the function) is NULL, this is wrong so handle it.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1465389413-8936-2-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Taeung Song 2016-06-08 21:36:49 +09:00 committed by Arnaldo Carvalho de Melo
parent 2c95afc1e8
commit 826424cc91
1 changed files with 3 additions and 0 deletions
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3
tools/perf/util/config.c
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@ -742,6 +742,9 @@ static void perf_config_set__purge(struct perf_config_set *set)
void perf_config_set__delete(struct perf_config_set *set)
{
if (set == NULL)
return;
perf_config_set__purge(set);
free(set);
}