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Commit 3cf5d076 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

signal: Remove task parameter from force_sig 



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: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent cb44c9a0

arch/alpha/kernel/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -225,7 +225,7 @@ do_sigreturn(struct sigcontext __user *sc) 
	return;



give_sigsegv:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

}



asmlinkage void
@@ -253,7 +253,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame) 
	return;



give_sigsegv:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

}

arch/arc/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -100,7 +100,7 @@ SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new) 
		 goto again;



fail:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

	return ret;

}

arch/arc/kernel/signal.c

+1 −1
Original line number Diff line number Diff line
@@ -197,7 +197,7 @@ SYSCALL_DEFINE0(rt_sigreturn) 
	return regs->r0;



badframe:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

	return 0;

}

arch/arm/kernel/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -250,7 +250,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs) 
	return regs->ARM_r0;



badframe:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

	return 0;

}
@@ -283,7 +283,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) 
	return regs->ARM_r0;



badframe:

	force_sig(SIGSEGV, current);

	force_sig(SIGSEGV);

	return 0;

}

arch/arm64/kernel/traps.c

+1 −1
Original line number Diff line number Diff line
@@ -257,7 +257,7 @@ void arm64_force_sig_fault(int signo, int code, void __user *addr, 
{

	arm64_show_signal(signo, str);

	if (signo == SIGKILL)

		force_sig(SIGKILL, current);

		force_sig(SIGKILL);

	else

		force_sig_fault(signo, code, addr, current);

}