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| author | David Howells <dhowells@redhat.com> | 2010-08-06 17:26:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-07 14:23:37 -0700 |
| commit | df44f9f4f9b5d362b5a2d1c8444fe7e6d4c42653 (patch) | |
| tree | cb27a80199e4730a98ed6fc93411d52df0001d37 /net/sunrpc/sunrpc_syms.c | |
| parent | 5df6b8e65ad0f2eaee202ff002ac00d1ac605315 (diff) | |
| download | lwn-df44f9f4f9b5d362b5a2d1c8444fe7e6d4c42653.tar.gz lwn-df44f9f4f9b5d362b5a2d1c8444fe7e6d4c42653.zip | |
AFS: Fix the module init error handling
Fix the module init error handling. There are a bunch of goto labels for
aborting the init procedure at different points and just undoing what needs
undoing - they aren't all in the right places, however.
This can lead to an oops like the following:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
IP: [<ffffffff81042a31>] destroy_workqueue+0x17/0xc0
...
Modules linked in: kafs(+) dns_resolver rxkad af_rxrpc fscache
Pid: 2171, comm: insmod Not tainted 2.6.35-cachefs+ #319 DG965RY/
...
Process insmod (pid: 2171, threadinfo ffff88003ca6a000, task ffff88003dcc3050)
...
Call Trace:
[<ffffffffa0055994>] afs_callback_update_kill+0x10/0x12 [kafs]
[<ffffffffa007d1c5>] afs_init+0x190/0x1ce [kafs]
[<ffffffffa007d035>] ? afs_init+0x0/0x1ce [kafs]
[<ffffffff810001ef>] do_one_initcall+0x59/0x14e
[<ffffffff8105f7ee>] sys_init_module+0x9c/0x1de
[<ffffffff81001eab>] system_call_fastpath+0x16/0x1b
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/sunrpc/sunrpc_syms.c')
0 files changed, 0 insertions, 0 deletions