Fix ZERO_OR_NULL_PTR(ZERO_SIZE_PTR)
The comparison with ZERO_SIZE_PTR in ZERO_OR_NULL_PTR() needs to be <= (not just <) so that ZERO_OR_NULL_PTR(ZERO_SIZE_PTR) is 1. Signed-off-by: Roland Dreier <rolandd@cisco.com> [ Duh! - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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efa7e867
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