tree ee6ae04dd7014bfe311ea0f48a0aea734a96c2ed
parent a1b08e75dff3dc18a88444803753e667bb1d126e
author Sunil Mushran <sunil.mushran@oracle.com> 1252087921 -0700
committer Joel Becker <joel.becker@oracle.com> 1252099711 -0700

ocfs2: ocfs2_write_begin_nolock() should handle len=0

Bug introduced by mainline commit e7432675f8ca868a4af365759a8d4c3779a3d922
The bug causes ocfs2_write_begin_nolock() to oops when len=0.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Joel Becker <joel.becker@oracle.com>