Showing error 1418

User: Jiri Slaby
Error type: Leaving function in locked state
Error type description: Some lock is not unlocked on all paths of a function, so it is leaked
File location: kernel/signal.c
Line in file: 1008
Project: Linux Kernel
Project version: 2.6.28
Tools: Stanse (1.2)
Entered: 2012-05-21 20:30:05 UTC

Source: 

 978
 979                /* SIGKILL will be handled before any pending SIGSTOP */
 980                sigaddset(&t->pending.signal, SIGKILL);
 981                signal_wake_up(t, 1);
 982        }
 983}
 984
 985int __fatal_signal_pending(struct task_struct *tsk)
 986{
 987        return sigismember(&tsk->pending.signal, SIGKILL);
 988}
 989EXPORT_SYMBOL(__fatal_signal_pending);
 990
 991struct sighand_struct *lock_task_sighand(struct task_struct *tsk, unsigned long *flags)
 992{
 993        struct sighand_struct *sighand;
 994
 995        rcu_read_lock();
 996        for (;;) {
 997                sighand = rcu_dereference(tsk->sighand);
 998                if (unlikely(sighand == NULL))
 999                        break;
1000
1001                spin_lock_irqsave(&sighand->siglock, *flags);
1002                if (likely(sighand == tsk->sighand))
1003                        break;
1004                spin_unlock_irqrestore(&sighand->siglock, *flags);
1005        }
1006        rcu_read_unlock();
1007
1008        return sighand;
1009}
1010
1011int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
1012{
1013        unsigned long flags;
1014        int ret;
1015
1016        ret = check_kill_permission(sig, info, p);
1017
1018        if (!ret && sig) {
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