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authorRusty Russell <rusty@rustcorp.com.au>2009-06-12 22:16:39 -0600
committerRusty Russell <rusty@rustcorp.com.au>2009-06-12 22:16:40 +0930
commit594de1dd6449f79c99e1ba4577ea0e4e06e2b405 (patch)
treeeeaa70736d1aa2b40433d5dc5c98195406591d85 /drivers/virtio/virtio.c
parent98e94444748e9af93423d1fab90543e75569a58c (diff)
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virtio: handle short buffers in virtio_rng.
If the device fills less than 4 bytes of our random buffer, we'll BUG_ON. It's nicer to handle the case where it partially fills the buffer (the protocol doesn't explicitly bad that). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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