perf config: Check error cases of {show_spec, set}_config()
show_spec_config() and set_config() can be called multiple times
in the loop in cmd_config().
However, The error cases of them wasn't checked, so fix it.
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1497671197-20450-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index 7545966..bb1be79 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -225,10 +225,23 @@
break;
}
- if (value == NULL)
+ if (value == NULL) {
ret = show_spec_config(set, var);
- else
+ if (ret < 0) {
+ pr_err("%s is not configured: %s\n",
+ var, config_filename);
+ free(arg);
+ break;
+ }
+ } else {
ret = set_config(set, config_filename, var, value);
+ if (ret < 0) {
+ pr_err("Failed to set '%s=%s' on %s\n",
+ var, value, config_filename);
+ free(arg);
+ break;
+ }
+ }
free(arg);
}
}