tree dff3e55af355e9ce4e28e7a28ec3ad5f1e6dd2e5
parent a43f7f82064220082eba7075c5a844d773fdef1b
author Liu Bo <bo.li.liu@oracle.com> 1473899019 -0700
committer David Sterba <dsterba@suse.com> 1474905841 +0200

Btrfs: add error handling for extent buffer in print tree

Somehow we missed btrfs_print_tree when last time we
updated error handling for read_extent_block().

This keeps us from getting a NULL pointer panic when
btrfs_print_tree's read_extent_block() fails.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>