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_fs.h
afs_vl.h
afs.h
cache.c
callback.c
cell.c
cmservice.c
dir.c	AFS: Use d_automount() rather than abusing follow_link()	2011-01-15 20:07:33 -05:00
file.c
flock.c
fsclient.c
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
main.c
Makefile
misc.c
mntpt.c	Unexport do_add_mount() and add in follow_automount(), not ->d_automount()	2011-01-15 20:07:48 -05:00
netdevices.c
proc.c
rxrpc.c
security.c
server.c
super.c
vlclient.c
vlocation.c
vnode.c
volume.c
write.c	afs: Fix oops in afs_unlink_writeback	2011-02-25 11:12:37 -08:00