| Message ID | 1341868709-7411-1-git-send-email-arnd@arndnet.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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,
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@arndnet.de> --- btrfs-image.c | 2 ++ 1 file changed, 2 insertions(+)