From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/arch/x86/math-emu/fpu_system.h | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/x86/math-emu/fpu_system.h b/kernel/arch/x86/math-emu/fpu_system.h
index c8b1b31..9b41391 100644
--- a/kernel/arch/x86/math-emu/fpu_system.h
+++ b/kernel/arch/x86/math-emu/fpu_system.h
@@ -104,9 +104,11 @@
#define instruction_address (*(struct address *)&I387->soft.fip)
#define operand_address (*(struct address *)&I387->soft.foo)
-#define FPU_access_ok(x,y,z) if ( !access_ok(x,y,z) ) \
+#define FPU_access_ok(y,z) if ( !access_ok(y,z) ) \
math_abort(FPU_info,SIGSEGV)
#define FPU_abort math_abort(FPU_info, SIGSEGV)
+#define FPU_copy_from_user(to, from, n) \
+ do { if (copy_from_user(to, from, n)) FPU_abort; } while (0)
#undef FPU_IGNORE_CODE_SEGV
#ifdef FPU_IGNORE_CODE_SEGV
@@ -119,10 +121,10 @@
/* A simpler test than access_ok() can probably be done for
FPU_code_access_ok() because the only possible error is to step
past the upper boundary of a legal code area. */
-#define FPU_code_access_ok(z) FPU_access_ok(VERIFY_READ,(void __user *)FPU_EIP,z)
+#define FPU_code_access_ok(z) FPU_access_ok((void __user *)FPU_EIP,z)
#endif
-#define FPU_get_user(x,y) get_user((x),(y))
-#define FPU_put_user(x,y) put_user((x),(y))
+#define FPU_get_user(x,y) do { if (get_user((x),(y))) FPU_abort; } while (0)
+#define FPU_put_user(x,y) do { if (put_user((x),(y))) FPU_abort; } while (0)
#endif
--
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