Check for the return value of 'open_ctree()' before dereferencing it. Signed-off-by: Nageswara R Sastry <nasastry@xxxxxxxxxx> --- 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, -- 1.7.11.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
