Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH] vsprintf: Do not break early boot with probing addresses | Date | Tue, 14 May 2019 08:28:21 +0000 |
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> And I like Steven's "(fault)" idea. > How about this: > > if ptr < PAGE_SIZE -> "(null)" > if IS_ERR_VALUE(ptr) -> "(fault)" > > -ss
Or: if (ptr < PAGE_SIZE) return ptr ? "(null+)" : "(null)"; if IS_ERR_VALUE(ptr) return "(errno)"
David
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