TAKE - xfs_read_buf NULL dereference

[Andrew Gildfind <ajag@xxxxxxxxxxxxxxxxxxxxxxx>]

Modid:  2.4.x-xfs:slinx:75484a
Date:  Mon Oct  2 15:22:55 PDT 2000
Workarea:  snort:/build5/ajag/slinx
Author:  ajag

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.x-xfs

linux/fs/xfs/xfs_rw.c - 1.328
        - Call to xfs_buf_read from xfs_read_buf can return NULL.
          Pointer was always dereferenced through XFS_BUF_GETERROR (causing
          a kernel fault) code now checks for this case and returns error on 
          NULL.