yaffs: Sort out issues raised by Coverity
authorCharles Manning <cdhmanning@gmail.com>
Sun, 9 Jan 2011 22:58:11 +0000 (11:58 +1300)
committerCharles Manning <cdhmanning@gmail.com>
Sun, 9 Jan 2011 22:58:11 +0000 (11:58 +1300)
Coverity checks raised some issues, particularly with NULL checks.

Fix them.

Signed-off-by: Charles Manning <cdhmanning@gmail.com>

No differences found