master smbd crash in linux oplock code

[Christian Ambach]

Hi Metze,

I am suspecting that your commit 641a2de (s3:smbd/oplock: pass 
smbd_server_connection to linux_init_kernel_oplocks()) introduced a 
crash bug into master when kernel oplocks are turned on:

[2012/02/10 18:28:13.326196,  0, pid=465247, effective(4711, 4711), 
real(0, 0)] lib/popt_common.c:67(popt_s3_talloc_log_fn)
   smbd/oplock_linux.c:103: Type mismatch: name[struct tevent_signal] 
expected[struct smbd_server_connection]
[2012/02/10 18:28:13.326235,  0, pid=465247, effective(4711, 4711), 
real(0, 0)] lib/util.c:807(smb_panic_s3)
   PANIC (pid 465247): smbd/oplock_linux.c:103: Type mismatch: 
name[struct tevent_signal] expected[struct smbd_server_connection]
[2012/02/10 18:28:13.374465,  0, pid=465247, effective(4711, 4711), 
real(0, 0)] lib/util.c:918(log_stack_trace)
   BACKTRACE: 17 stack frames:
    #0 sbin/smbd(log_stack_trace+0x1f) [0x7f6d520ed8ae]
    #1 sbin/smbd(smb_panic_s3+0x6d) [0x7f6d520ed72c]
    #2 sbin/smbd(smb_panic+0x28) [0x7f6d520dc728]
    #3 /usr/lib64/libtalloc.so.2(_talloc_get_type_abort+0x7b) 
[0x7f6d5002ebbb]
    #4 sbin/smbd(+0x600541) [0x7f6d5215a541]
    #5 sbin/smbd(tevent_common_check_signal+0x194) [0x7f6d521076be]


Cheers,
Christian