From ded1420fdd2f99e93dc0edc432afd79518902d36 Mon Sep 17 00:00:00 2001 From: Shawn Landden Date: Fri, 22 Jun 2012 16:59:15 -0700 Subject: [PATCH] Check for failure in open_ctree() call. (LP: #926186) --- btrfstune.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/btrfstune.c b/btrfstune.c index 47830c5..f746e14 100644 --- a/btrfstune.c +++ b/btrfstune.c @@ -107,6 +107,10 @@ int main(int argc, char *argv[]) } root = open_ctree(device, 0, 1); + if (!root) { + fprintf(stderr, "unable to open ctree\n"); + return 1; + } if (seeding_flag) { ret = update_seeding_flag(root, seeding_value); -- 1.7.9.5