Commits
Tsutomu Itoh committed 018642a1f19
Btrfs: return value of btrfs_read_buffer is checked correctly btrfs_read_buffer() has the possibility of returning the error. Therefore, I add the code in which the return value of btrfs_read_buffer() is checked. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>