[PATCH 3.12 37/84] xfs: fixed signedness of error code in xfs_inode_buf_verify

From: Jeff Mahoney 3.12-stable review patch. If anyone has any objections, please let me know. === Prior to v3.17, XFS used positive error codes internally. Commit af8d971602b9583e5e8400e637e2a48c7480bc64 (xfs: inode recovery readahead can race with inode buffer

[PATCH 3.12 37/84] xfs: fixed signedness of error code in xfs_inode_buf_verify

From: Jeff Mahoney 3.12-stable review patch. If anyone has any objections, please let me know. === Prior to v3.17, XFS used positive error codes internally. Commit af8d971602b9583e5e8400e637e2a48c7480bc64 (xfs: inode recovery readahead can race with inode buffer creation),