ocfs2: ocfs2_write_begin_nolock() should handle len=0
commite38d22518cad8f3e1805bf17482b8bd2a5ec7de0
authorSunil Mushran <sunil.mushran@oracle.com>
Fri, 4 Sep 2009 18:12:01 +0000 (4 11:12 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 9 Sep 2009 03:34:12 +0000 (8 20:34 -0700)
treeab42864355488fcf2511eaeba5d2d010b0ce93ea
parent94a92d5f9ece6fb4bb9e23114413c5f1dcf305ef
ocfs2: ocfs2_write_begin_nolock() should handle len=0

commit 8379e7c46cc48f51197dd663fc6676f47f2a1e71 upstream.

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>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/ocfs2/aops.c