---
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
--
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