signal: Explicitly call force_sig_fault on current

Update the calls of force_sig_fault that pass in a variable that is
set to current earlier to explicitly use current.

This is to make the next change that removes the task parameter
from force_sig_fault easier to verify.

Signed-off-by: "Eric W. Biederman" <[e-mail]>

arch/arc/kernel/traps.c

···
 
 		tsk->thread.fault_address = (__force unsigned int)addr;
 
-		force_sig_fault(signo, si_code, addr, tsk);
+		force_sig_fault(signo, si_code, addr, current);
 
 	} else {
 		/* If not due to copy_(to|from)_user, we are doomed */

arch/arc/mm/fault.c

···
 	/* User mode accesses just cause a SIGSEGV */
 	if (user_mode(regs)) {
 		tsk->thread.fault_address = address;
-		force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+		force_sig_fault(SIGSEGV, si_code, (void __user *)address, current);
 		return;
 	}
 
···
 		goto no_context;
 
 	tsk->thread.fault_address = address;
-	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
 }

arch/arm/mm/fault.c

···
 	tsk->thread.address = addr;
 	tsk->thread.error_code = fsr;
 	tsk->thread.trap_no = 14;
-	force_sig_fault(sig, code, (void __user *)addr, tsk);
+	force_sig_fault(sig, code, (void __user *)addr, current);
 }
 
 void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs)

arch/mips/mm/fault.c

···
 			pr_cont("\n");
 		}
 		current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
-		force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+		force_sig_fault(SIGSEGV, si_code, (void __user *)address, current);
 		return;
 	}
 
···
 #endif
 	current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
 	tsk->thread.cp0_badvaddr = address;
-	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
 
 	return;
 #ifndef CONFIG_64BIT

arch/nds32/kernel/traps.c

···
 	tsk->thread.error_code = error_code;
 
 	force_sig_fault(SIGTRAP, si_code,
-			(void __user *)instruction_pointer(regs), tsk);
+			(void __user *)instruction_pointer(regs), current);
 }
 
 void do_debug_trap(unsigned long entry, unsigned long addr,

arch/nds32/mm/fault.c

···
 		tsk->thread.address = addr;
 		tsk->thread.error_code = error_code;
 		tsk->thread.trap_no = entry;
-		force_sig_fault(SIGSEGV, si_code, (void __user *)addr, tsk);
+		force_sig_fault(SIGSEGV, si_code, (void __user *)addr, current);
 		return;
 	}
 
···
 	tsk->thread.address = addr;
 	tsk->thread.error_code = error_code;
 	tsk->thread.trap_no = entry;
-	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)addr, tsk);
+	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)addr, current);
 
 	return;
 

arch/openrisc/mm/fault.c

···
 	/* User mode accesses just cause a SIGSEGV */
 
 	if (user_mode(regs)) {
-		force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+		force_sig_fault(SIGSEGV, si_code, (void __user *)address, current);
 		return;
 	}
 
···
 	 * Send a sigbus, regardless of whether we were in kernel
 	 * or user mode.
 	 */
-	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
 
 	/* Kernel mode? Handle exceptions or die */
 	if (!user_mode(regs))

arch/riscv/kernel/traps.c

···
 		show_regs(regs);
 	}
 
-	force_sig_fault(signo, code, (void __user *)addr, tsk);
+	force_sig_fault(signo, code, (void __user *)addr, current);
 }
 
 static void do_trap_error(struct pt_regs *regs, int signo, int code,

arch/sh/math-emu/math.c

···
 			task_thread_info(tsk)->status |= TS_USEDFPU;
 		} else {
 			force_sig_fault(SIGFPE, FPE_FLTINV,
-					(void __user *)regs->pc, tsk);
+					(void __user *)regs->pc, current);
 		}
 
 		regs->pc = nextpc;

arch/unicore32/mm/fault.c

···
 	tsk->thread.address = addr;
 	tsk->thread.error_code = fsr;
 	tsk->thread.trap_no = 14;
-	force_sig_fault(sig, code, (void __user *)addr, tsk);
+	force_sig_fault(sig, code, (void __user *)addr, current);
 }
 
 void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs)

arch/x86/kernel/ptrace.c

···
 
 	/* Send us the fake SIGTRAP */
 	force_sig_fault(SIGTRAP, si_code,
-			user_mode(regs) ? (void __user *)regs->ip : NULL, tsk);
+			user_mode(regs) ? (void __user *)regs->ip : NULL, current);
 }
 
 void user_single_step_report(struct pt_regs *regs)

arch/x86/kernel/traps.c

···
 	if (!sicode)
 		force_sig(signr);
 	else
-		force_sig_fault(signr, sicode, addr, tsk);
+		force_sig_fault(signr, sicode, addr, current);
 }
 NOKPROBE_SYMBOL(do_trap);
 
···
 		return;
 
 	force_sig_fault(SIGFPE, si_code,
-			(void __user *)uprobe_get_trap_addr(regs), task);
+			(void __user *)uprobe_get_trap_addr(regs), current);
 }
 
 dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code)

arch/x86/kernel/umip.c

···
 	tsk->thread.error_code	= X86_PF_USER | X86_PF_WRITE;
 	tsk->thread.trap_nr	= X86_TRAP_PF;
 
-	force_sig_fault(SIGSEGV, SEGV_MAPERR, addr, tsk);
+	force_sig_fault(SIGSEGV, SEGV_MAPERR, addr, current);
 
 	if (!(show_unhandled_signals && unhandled_signal(tsk, SIGSEGV)))
 		return;

arch/x86/mm/fault.c

···
 
 			/* XXX: hwpoison faults will set the wrong code. */
 			force_sig_fault(signal, si_code, (void __user *)address,
-					tsk);
+					current);
 		}
 
 		/*
···
 		if (si_code == SEGV_PKUERR)
 			force_sig_pkuerr((void __user *)address, pkey);
 
-		force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+		force_sig_fault(SIGSEGV, si_code, (void __user *)address, current);
 
 		return;
 	}
···
 		return;
 	}
 #endif
-	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+	force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
 }
 
 static noinline void