Re: [PATCH v2 5/7] mm/vmalloc: skip the uninitilized vmalloc areas

From: Lorenzo Stoakes
Date: Sat Dec 17 2022 - 07:08:13 EST


On Sat, Dec 17, 2022 at 09:54:33AM +0800, Baoquan He wrote:
> @@ -3617,6 +3617,11 @@ long vread(char *buf, char *addr, unsigned long count)
> if (!vm && !flags)
> continue;
>
> + if (vm->flags & VM_UNINITIALIZED)
> + continue;

This comes immediately after asserting that vm _might be null_. This surely must become:-

if (vm && vm->flags & VM_UNINITIALIZED)
continue;