Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index 1e8070d..ef7489b 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -110,7 +110,7 @@
 	sigset_t set;
 	int er0;
 
-	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+	if (!access_ok(frame, sizeof(*frame)))
 		goto badframe;
 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
 		goto badframe;
@@ -126,7 +126,7 @@
 	return er0;
 
 badframe:
-	force_sig(SIGSEGV, current);
+	force_sig(SIGSEGV);
 	return 0;
 }
 
@@ -165,7 +165,7 @@
 
 	frame = get_sigframe(ksig, regs, sizeof(*frame));
 
-	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+	if (!access_ok(frame, sizeof(*frame)))
 		return -EFAULT;
 
 	if (ksig->ka.sa.sa_flags & SA_SIGINFO)