Remove an unused var.
Sponsored by: EMC / Isilon storage division MFC after: 3 days
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@ -77,7 +77,6 @@ buf_ring_enqueue(struct buf_ring *br, void *buf)
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{
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uint32_t prod_head, prod_next;
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uint32_t cons_tail;
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int success;
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#ifdef DEBUG_BUFRING
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int i;
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for (i = br->br_cons_head; i != br->br_prod_head;
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@ -98,10 +97,7 @@ buf_ring_enqueue(struct buf_ring *br, void *buf)
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critical_exit();
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return (ENOBUFS);
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}
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success = atomic_cmpset_int(&br->br_prod_head, prod_head,
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prod_next);
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} while (success == 0);
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} while (!atomic_cmpset_int(&br->br_prod_head, prod_head, prod_next));
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#ifdef DEBUG_BUFRING
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if (br->br_ring[prod_head] != NULL)
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panic("dangling value in enqueue");
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