Pedro F. Giffuni 4d24901ac9 sys/dev: Replace zero with NULL for pointers. ...

Makes things easier to read, plus architectures may set NULL to something
different than zero.

Found with:	devel/coccinelle
MFC after:	3 weeks

2017-02-20 03:43:12 +00:00

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virtio

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beri_mem.c

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beri_ring.c

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