From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/arch/arc/kernel/signal.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/kernel/arch/arc/kernel/signal.c b/kernel/arch/arc/kernel/signal.c
index 68901f6..4868bde 100644
--- a/kernel/arch/arc/kernel/signal.c
+++ b/kernel/arch/arc/kernel/signal.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Signal Handling for ARC
*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* vineetg: Jan 2010 (Restarting of timer related syscalls)
*
@@ -212,7 +209,7 @@
sf = (struct rt_sigframe __force __user *)(regs->sp);
- if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))
+ if (!access_ok(sf, sizeof(*sf)))
goto badframe;
if (__get_user(magic, &sf->sigret_magic))
@@ -240,7 +237,7 @@
return regs->r0;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -262,7 +259,7 @@
frame = (void __user *)((sp - framesize) & ~7);
/* Check that we can actually write to the signal frame */
- if (!access_ok(VERIFY_WRITE, frame, framesize))
+ if (!access_ok(frame, framesize))
frame = NULL;
return frame;
@@ -367,7 +364,7 @@
regs->r0 = -EINTR;
break;
}
- /* fallthrough */
+ fallthrough;
case -ERESTARTNOINTR:
/*
@@ -408,7 +405,7 @@
restart_scall = in_syscall(regs) && syscall_restartable(regs);
- if (get_signal(&ksig)) {
+ if (test_thread_flag(TIF_SIGPENDING) && get_signal(&ksig)) {
if (restart_scall) {
arc_restart_syscall(&ksig.ka, regs);
syscall_wont_restart(regs); /* No more restarts */
@@ -440,6 +437,6 @@
* ASM glue gaurantees that this is only called when returning to
* user mode
*/
- if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME))
+ if (test_thread_flag(TIF_NOTIFY_RESUME))
tracehook_notify_resume(regs);
}
--
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