From 48d29930ed29bc92ac5ea08cb72553896d2f7da5 Mon Sep 17 00:00:00 2001
From: Arne Jansen <sensille@gmx.net>
Date: Mon, 14 Mar 2011 12:57:49 +0100
Subject: [PATCH] btrfs-map-logical: segfaults when no output file is given

when no output file is given, info_file stays NULL and the following
fprintf segfaults. Default to stdout.

Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
---
 btrfs-map-logical.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/btrfs-map-logical.c b/btrfs-map-logical.c
index 6d3ef7ab..d79a73a9 100644
--- a/btrfs-map-logical.c
+++ b/btrfs-map-logical.c
@@ -173,6 +173,7 @@ int main(int ac, char **av)
 		exit(1);
 	}
 
+	info_file = stdout;
 	if (output_file) {
 		if (strcmp(output_file, "-") == 0) {
 			out_fd = 1;