From: Nageswara R Sastry <nasas...@in.ibm.com>
Check for the return value of 'open_ctree()' before dereferencing it.
Signed-off-by: Nageswara R Sastry <nasas...@in.ibm.com>
Signed-off-by: Gene Czarcinski <g...@czarc.net>
---
btrfs-image.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/btrfs-image.c b/btrfs-image.c
index f2bbcc8..2a33a55 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -491,6 +491,7 @@ static int create_metadump(const char *input, FILE *out,
int num_threads,
int ret;
root = open_ctree(input, 0, 0);
+ BUG_ON(!root);
BUG_ON(root->nodesize != root->leafsize);
ret = metadump_init(&metadump, root, out, num_threads,
--
1.8.1
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