perf tools: Modify error code for when perf_session__new() fails

Because perf_session__new() can fail for more reasons than just ENOMEM,
modify error code(ENOMEM or EINVAL) to -1.
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1411522417-9917-1-git-send-email-treeze.taeung@gmail.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-annotate.c

@@ -340,7 +340,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	annotate.session = perf_session__new(&file, false, &annotate.tool);
 	if (annotate.session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	symbol_conf.priv_size = sizeof(struct annotation);
 	symbol_conf.try_vmlinux_path = true;

tools/perf/builtin-diff.c

@@ -683,7 +683,7 @@ static int __cmd_diff(void)
 		d->session = perf_session__new(&d->file, false, &tool);
 		if (!d->session) {
 			pr_err("Failed to open %s\n", d->file.path);
-			ret = -ENOMEM;
+			ret = -1;
 			goto out_delete;
 		}
 

tools/perf/builtin-evlist.c

@@ -28,7 +28,7 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details
 
 	session = perf_session__new(&file, 0, NULL);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	evlist__for_each(session->evlist, pos)
 		perf_evsel__fprintf(pos, details, stdout);

tools/perf/builtin-inject.c

@@ -460,7 +460,7 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
 	file.path = inject.input_name;
 	inject.session = perf_session__new(&file, true, &inject.tool);
 	if (inject.session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (symbol__init(&inject.session->header.env) < 0)
 		return -1;

tools/perf/builtin-kmem.c

@@ -698,7 +698,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	session = perf_session__new(&file, false, &perf_kmem);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	symbol__init(&session->header.env);
 

tools/perf/builtin-kvm.c

@@ -1058,7 +1058,7 @@ static int read_events(struct perf_kvm_stat *kvm)
 	kvm->session = perf_session__new(&file, false, &kvm->tool);
 	if (!kvm->session) {
 		pr_err("Initializing perf session failed\n");
-		return -EINVAL;
+		return -1;
 	}
 
 	symbol__init(&kvm->session->header.env);
@@ -1361,7 +1361,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 	 */
 	kvm->session = perf_session__new(&file, false, &kvm->tool);
 	if (kvm->session == NULL) {
-		err = -ENOMEM;
+		err = -1;
 		goto out;
 	}
 	kvm->session->evlist = kvm->evlist;

tools/perf/builtin-lock.c

@@ -862,7 +862,7 @@ static int __cmd_report(bool display_info)
 	session = perf_session__new(&file, false, &eops);
 	if (!session) {
 		pr_err("Initializing perf session failed\n");
-		return -ENOMEM;
+		return -1;
 	}
 
 	symbol__init(&session->header.env);

tools/perf/builtin-mem.c

@@ -124,7 +124,7 @@ static int report_raw_events(struct perf_mem *mem)
 							 &mem->tool);
 
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (mem->cpu_list) {
 		ret = perf_session__cpu_bitmap(session, mem->cpu_list,

tools/perf/builtin-report.c

@@ -720,7 +720,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 repeat:
 	session = perf_session__new(&file, false, &report.tool);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (report.queue_size) {
 		ordered_events__set_alloc_size(&session->ordered_events,

tools/perf/builtin-script.c

@@ -1744,7 +1744,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	session = perf_session__new(&file, false, &script.tool);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (header || header_only) {
 		perf_session__fprintf_info(session, stdout, show_full_info);

tools/perf/builtin-timechart.c

@@ -1605,7 +1605,7 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name)
 	int ret = -EINVAL;
 
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	symbol__init(&session->header.env);
 

tools/perf/builtin-top.c

@@ -929,7 +929,7 @@ static int __cmd_top(struct perf_top *top)
 
 	top->session = perf_session__new(NULL, false, NULL);
 	if (top->session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	machines__set_symbol_filter(&top->session->machines, symbol_filter);
 

tools/perf/builtin-trace.c

@@ -2250,7 +2250,7 @@ static int trace__replay(struct trace *trace)
 
 	session = perf_session__new(&file, false, &trace->tool);
 	if (session == NULL)
-		return -ENOMEM;
+		return -1;
 
 	if (symbol__init(&session->header.env) < 0)
 		goto out;