Ignore SIGPIPEs when addr2line is configured.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/srcline.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 423ddf3967b0..bc3e48afe054 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -473,6 +473,8 @@ static enum a2l_style addr2line_configure(struct child_process *a2l)
 				ch = io__get_char(&io);
 			} while (ch > 0 && ch != '\n');
 		}
+		/* Ignore SIGPIPE in the event addr2line exits. */
+		signal(SIGPIPE, SIG_IGN);
 	}
 	return style;
 }
-- 
2.40.0.348.gf938b09366-goog