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rose: Socket lock was not released before returning to user space 

================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
xfbbd/3683 is leaving the kernel with locks still held!
1 lock held by xfbbd/3683:
  #0:  (sk_lock-AF_ROSE){--..}, at: [<c8cd1eb3>] rose_connect+0x73/0x420 [rose]

INFO: task xfbbd:3683 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
xfbbd         D 00000246     0  3683   3669
        c6965ee0 00000092 c02c5c40 00000246 c0f6b5f0 c0f6b5c0 c0f6b5f0 c0f6b5c0
        c0f6b614 c6965f18 c024b74b ffffffff c06ba070 00000000 00000000 00000001
        c6ab07c0 c012d450 c0f6b634 c0f6b634 c7b5bf10 c0d6004c c7b5bf10 c6965f40
Call Trace:
  [<c024b74b>] lock_sock_nested+0x6b/0xd0
  [<c012d450>] ? autoremove_wake_function+0x0/0x40
  [<c02488f1>] sock_fasync+0x41/0x150
  [<c0249e69>] sock_close+0x19/0x40
  [<c0175d54>] __fput+0xb4/0x170
  [<c0176018>] fput+0x18/0x20
  [<c017300e>] filp_close+0x3e/0x70
  [<c01744e9>] sys_close+0x69/0xb0
  [<c0103bda>] sysenter_past_esp+0x5f/0xa5
  =======================
INFO: lockdep is turned off.

Signed-off-by: Bernard Pidoux <f6bvp@amsat.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bernard Pidoux 2008-04-19 18:41:51 -07:00 committed by David S. Miller
parent d129f188ab
commit 43837b1e6c
1 changed files with 4 additions and 2 deletions
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6
net/rose/af_rose.c
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@ -760,8 +760,10 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause,
&diagnostic);
if (!rose->neighbour)
return -ENETUNREACH;
if (!rose->neighbour) {
err = -ENETUNREACH;
goto out_release;
}
rose->lci = rose_new_lci(rose->neighbour);
if (!rose->lci) {