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signal: Remove the task parameter from force_sig_fault

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As synchronous exceptions really only make sense against the current
task (otherwise how are you synchronous) remove the task parameter
from from force_sig_fault to make it explicit that is what is going
on.

The two known exceptions that deliver a synchronous exception to a
stopped ptraced task have already been changed to
force_sig_fault_to_task.

The callers have been changed with the following emacs regular expression
(with obvious variations on the architectures that take more arguments)
to avoid typos:

force_sig_fault[(]\([^,]+\)[,]\([^,]+\)[,]\([^,]+\)[,]\W+current[)]
->
force_sig_fault(\1,\2,\3)

Signed-off-by: "Eric W. Biederman" <[email protected]>
This commit is contained in:
Eric W. Biederman 2019-05-23 11:04:24 -05:00
commit 2e1661d267
67 changed files with 137 additions and 151 deletions
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5
kernel/signal.c
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@ -1645,12 +1645,11 @@ int force_sig_fault_to_task(int sig, int code, void __user *addr
int force_sig_fault(int sig, int code, void __user *addr
___ARCH_SI_TRAPNO(int trapno)
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)
, struct task_struct *t)
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr))
{
return force_sig_fault_to_task(sig, code, addr
___ARCH_SI_TRAPNO(trapno)
___ARCH_SI_IA64(imm, flags, isr), t);
___ARCH_SI_IA64(imm, flags, isr), current);
}
int send_sig_fault(int sig, int code, void __user *addr