Pavel Machek wrote:
diff -u -p a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
--- a/arch/x86/kernel/vm86_32.c 2007-10-22 11:25:00.000000000 +0200
+++ b/arch/x86/kernel/vm86_32.c 2007-12-26 16:27:15.000000000 +0100
@@ -215,7 +215,9 @@ asmlinkage int sys_vm86old(struct pt_reg
ret = -EFAULT;
if (tmp)
goto out;
- memset(&info.vm86plus, 0, (int)&info.regs32 - (int)&info.vm86plus);
+ memset(&info.vm86plus, 0,
+ offsetof(struct kernel_vm86_struct, regs32) -
+ offsetof(struct kernel_vm86_struct, vm86plus));
I do not think this makes it more readable... (int) -> (char *) would
make it portable and readable, AFAICT.
Pavel
The right way to do it is:
memset(&info.vm86plus, 0, sizeof info.vm86plus);
-hpa
-
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