Error reporting is already done, so just return if root is NULL,
instead of segfaulting:
Program received signal SIGSEGV, Segmentation fault.
0x000000000042cd34 in create_metadump (input=0x7fffffffe847 "/usr/share", out=0x63e010, num_threads=0, compress_level=0)
at btrfs-image.c:494
494 BUG_ON(root->nodesize != root->leafsize);
at btrfs-image.c:494
Signed-off-by: Arnd Hannemann <arnd@xxxxxxxxxx>
---
btrfs-image.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/btrfs-image.c b/btrfs-image.c
index f2bbcc8..fec51d8 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -491,6 +491,8 @@ static int create_metadump(const char *input, FILE *out, int num_threads,
int ret;
root = open_ctree(input, 0, 0);
+ if (!root)
+ return 1;
BUG_ON(root->nodesize != root->leafsize);
ret = metadump_init(&metadump, root, out, num_threads,
--
1.7.9.5
--
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
