add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/mips/kernel/signal_n32.c
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@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (C) 2003 Broadcom Corporation
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version 2
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- * of the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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  */
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 #include <linux/cache.h>
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 #include <linux/sched.h>
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@@ -73,7 +60,7 @@
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 	regs = current_pt_regs();
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 	frame = (struct rt_sigframe_n32 __user *)regs->regs[29];
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-	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
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+	if (!access_ok(frame, sizeof(*frame)))
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 		goto badframe;
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 	if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
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 		goto badframe;
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@@ -84,7 +71,7 @@
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 	if (sig < 0)
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 		goto badframe;
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 	else if (sig)
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-		force_sig(sig, current);
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+		force_sig(sig);
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 	if (compat_restore_altstack(&frame->rs_uc.uc_stack))
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 		goto badframe;
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@@ -100,7 +87,7 @@
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 	/* Unreached */
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 badframe:
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-	force_sig(SIGSEGV, current);
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+	force_sig(SIGSEGV);
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 }
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 static int setup_rt_frame_n32(void *sig_return, struct ksignal *ksig,
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@@ -110,7 +97,7 @@
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 	int err = 0;
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 	frame = get_sigframe(ksig, regs, sizeof(*frame));
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-	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
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+	if (!access_ok(frame, sizeof (*frame)))
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 		return -EFAULT;
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 	/* Create siginfo.  */