perf srcline: Conditionally suppress addr2line warnings

It has symbol_conf.disable_add2line_warn to suppress some warnings.  Let's
make it consistent with others.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221215192817.2734573-6-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/srcline.c

@@ -573,13 +573,15 @@ static int addr2line(const char *dso_name, u64 addr,
 	 * "??"/"??:0" lines.
 	 */
 	if (fprintf(a2l->to_child, "%016"PRIx64"\n,\n", addr) < 0 || fflush(a2l->to_child) != 0) {
-		pr_warning("%s %s: could not send request\n", __func__, dso_name);
+		if (!symbol_conf.disable_add2line_warn)
+			pr_warning("%s %s: could not send request\n", __func__, dso_name);
 		goto out;
 	}
 
 	switch (read_addr2line_record(a2l, &record_function, &record_filename, &record_line_nr)) {
 	case -1:
-		pr_warning("%s %s: could not read first record\n", __func__, dso_name);
+		if (!symbol_conf.disable_add2line_warn)
+			pr_warning("%s %s: could not read first record\n", __func__, dso_name);
 		goto out;
 	case 0:
 		/*
@@ -588,14 +590,17 @@ static int addr2line(const char *dso_name, u64 addr,
 		 */
 		switch (read_addr2line_record(a2l, NULL, NULL, NULL)) {
 		case -1:
-			pr_warning("%s %s: could not read delimiter record\n", __func__, dso_name);
+			if (!symbol_conf.disable_add2line_warn)
+				pr_warning("%s %s: could not read delimiter record\n",
+					   __func__, dso_name);
 			break;
 		case 0:
 			/* As expected. */
 			break;
 		default:
-			pr_warning("%s %s: unexpected record instead of sentinel",
-				   __func__, dso_name);
+			if (!symbol_conf.disable_add2line_warn)
+				pr_warning("%s %s: unexpected record instead of sentinel",
+					   __func__, dso_name);
 			break;
 		}
 		goto out;