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signal: Remove task parameter from force_sig

Browse source 
All of the remaining callers pass current into force_sig so
remove the task parameter to make this obvious and to make
misuse more difficult in the future.

This also makes it clear force_sig passes current into force_sig_info.

Signed-off-by: "Eric W. Biederman" <[email protected]>
This commit is contained in:
Eric W. Biederman 2019-05-23 10:17:27 -05:00
commit 3cf5d076fb
76 changed files with 160 additions and 166 deletions
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6
kernel/signal.c
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@ -1595,9 +1595,9 @@ send_sig(int sig, struct task_struct *p, int priv)
}
EXPORT_SYMBOL(send_sig);
void force_sig(int sig, struct task_struct *p)
void force_sig(int sig)
{
force_sig_info(sig, SEND_SIG_PRIV, p);
force_sig_info(sig, SEND_SIG_PRIV, current);
}
EXPORT_SYMBOL(force_sig);
@ -1617,7 +1617,7 @@ void force_sigsegv(int sig)
p->sighand->action[sig - 1].sa.sa_handler = SIG_DFL;
spin_unlock_irqrestore(&p->sighand->siglock, flags);
}
force_sig(SIGSEGV, p);
force_sig(SIGSEGV);
}
int force_sig_fault(int sig, int code, void __user *addr