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Date: Mon, 6 Jun 2016 19:52:54 +0900 From: Taeung Song <treeze.taeung@...il.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Masami Hiramatsu <mhiramat@...nel.org>, Taeung Song <treeze.taeung@...il.com>, Jiri Olsa <jolsa@...hat.com> Subject: [BUGFIX][PATCH v6 3/9] perf config: Handle the error when config set is NULL at collect_config() collect_config() collect all config key-value pairs from config files and put each config info in config set. But if config set (i.e. 'set' variable at collect_config()) is NULL, this is wrong so handle it. Cc: Namhyung Kim <namhyung@...nel.org> Cc: Jiri Olsa <jolsa@...hat.com> Cc: Masami Hiramatsu <mhiramat@...nel.org> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Signed-off-by: Taeung Song <treeze.taeung@...il.com> --- tools/perf/util/config.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index d013f90..062eeb8 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -607,8 +607,12 @@ static int collect_config(const char *var, const char *value, struct perf_config_section *section = NULL; struct perf_config_item *item = NULL; struct perf_config_set *set = perf_config_set; - struct list_head *sections = &set->sections; + struct list_head *sections; + if (set == NULL) + return -1; + + sections = &set->sections; key = ptr = strdup(var); if (!key) { pr_debug("%s: strdup failed\n", __func__); -- 2.5.0
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