2.5.55-rmk1: user space lossage

[David Woodhouse]

akpm at digeo.com said:
> Linus did it!

> diff -puN mm/filemap.c~generic_file_readonly_mmap-fix mm/filemap.c
> --- 25/mm/filemap.c~generic_file_readonly_mmap-fix	2003-01-23 01:55:41 -0800
> +++ 25-akpm/mm/filemap.c	2003-01-23 01:55:45 -0800
> @@ -1312,7 +1312,6 @@ int generic_file_readonly_mmap(struct fi
>  {
>  	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
> 		return -EINVAL;
> - 	vma->vm_flags &= ~VM_MAYWRITE;
>  	return generic_file_mmap(file, vma);
>  }
>  #else


-  	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
+-  	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
++ 	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_MAYWRITE))



...?

--
dwmw2