Anton Blanchard f129ccc923 afs: Fix oops in afs_unlink_writeback ... I'm seeing the following oops when testing afs: Unable to handle kernel paging request for data at address 0x00000008 ... NIP [c0000000003393b0] .afs_unlink_writeback+0x38/0xc0 LR [c00000000033987c] .afs_put_writeback+0x98/0xec Call Trace: [c00000000345f600] [c00000000033987c] .afs_put_writeback+0x98/0xec [c00000000345f690] [c00000000033ae80] .afs_write_begin+0x6a4/0x75c [c00000000345f790] [c00000000012b77c] .generic_file_buffered_write+0x148/0x320 [c00000000345f8d0] [c00000000012e1b8] .__generic_file_aio_write+0x37c/0x3e4 [c00000000345f9d0] [c00000000012e2a8] .generic_file_aio_write+0x88/0xfc [c00000000345fa90] [c0000000003390a8] .afs_file_write+0x10c/0x178 [c00000000345fb40] [c000000000188788] .do_sync_write+0xc4/0x128 [c00000000345fcc0] [c000000000189658] .vfs_write+0xe8/0x1d8 [c00000000345fd70] [c000000000189884] .SyS_write+0x68/0xb0 [c00000000345fe30] [c000000000008564] syscall_exit+0x0/0x40 afs_write_begin hits an error and calls afs_unlink_writeback. In there we do list_del_init on an uninitialised list. The patch below initialises ->link when creating the afs_writeback struct. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2011-02-25 11:12:37 -08:00
..
afs_cm.h	afs: support the CB.ProbeUuid RPC op	2008-04-29 08:06:26 -07:00
afs_fs.h
afs_vl.h
afs.h
cache.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
callback.c	Fix various old email addresses for dwmw2	2008-06-06 11:29:10 -07:00
cell.c	AFS: Implement an autocell mount capability [ver #2]	2010-08-11 17:11:29 +00:00
cmservice.c	afs: add afs_wq and use it instead of the system workqueue	2011-01-14 09:25:11 -08:00
dir.c	AFS: Use d_automount() rather than abusing follow_link()	2011-01-15 20:07:33 -05:00
file.c	AFS: Don't put struct file on the stack	2010-05-21 18:31:28 -04:00
flock.c	fs/locks.c: prepare for BKL removal	2010-10-05 11:02:04 +02:00
fsclient.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
inode.c	AFS: Use d_automount() rather than abusing follow_link()	2011-01-15 20:07:33 -05:00
internal.h	AFS: Use d_automount() rather than abusing follow_link()	2011-01-15 20:07:33 -05:00
Kconfig	DNS: Make AFS go to the DNS for AFSDB records for unknown cells	2010-08-05 17:17:51 +00:00
main.c	afs: add afs_wq and use it instead of the system workqueue	2011-01-14 09:25:11 -08:00
Makefile	FS-Cache: Make kAFS use FS-Cache	2009-04-03 16:42:41 +01:00
misc.c	AFS: Correctly translate auth error aborts and don't failover in such cases	2009-06-16 21:20:14 -07:00
mntpt.c	Unexport do_add_mount() and add in follow_automount(), not ->d_automount()	2011-01-15 20:07:48 -05:00
netdevices.c	afs: BUG to BUG_ON changes	2009-04-09 10:41:19 -07:00
proc.c	AFS: Implement an autocell mount capability [ver #2]	2010-08-11 17:11:29 +00:00
rxrpc.c	afs: add afs_wq and use it instead of the system workqueue	2011-01-14 09:25:11 -08:00
security.c	fs: provide rcu-walk aware permission i_ops	2011-01-07 17:50:29 +11:00
server.c	afs: add afs_wq and use it instead of the system workqueue	2011-01-14 09:25:11 -08:00
super.c	switch afs	2011-01-12 20:04:20 -05:00
vlclient.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
vlocation.c	afs: add afs_wq and use it instead of the system workqueue	2011-01-14 09:25:11 -08:00
vnode.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
volume.c	afs: add bdi backing to mount session.	2010-04-22 11:58:18 +02:00
write.c	afs: Fix oops in afs_unlink_writeback	2011-02-25 11:12:37 -08:00