ring: fix return value for dequeue

The error return code for rte_ring_sc_dequeue_bulk() and
rte_ring_mc_dequeue_bulk() function should be -ENOENT rather
than -ENOBUFS as described in the function description.

Fixes: cfa7c9e6fc1f ("ring: make bulk and burst return values consistent")
Cc: stable@dpdk.org
Signed-off-by: Anand B Jyoti <anand.b.jyoti@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h
index e4e910b..18684a5 100644 (file)
--- a/lib/librte_ring/rte_ring.h
+++ b/lib/librte_ring/rte_ring.h
@@ -801,7 +801,7 @@ rte_ring_dequeue_bulk(struct rte_ring *r, void **obj_table, unsigned int n,
 static __rte_always_inline int
 rte_ring_mc_dequeue(struct rte_ring *r, void **obj_p)
 {
-       return rte_ring_mc_dequeue_bulk(r, obj_p, 1, NULL)  ? 0 : -ENOBUFS;
+       return rte_ring_mc_dequeue_bulk(r, obj_p, 1, NULL)  ? 0 : -ENOENT;
 }
 
 /**
@@ -819,7 +819,7 @@ rte_ring_mc_dequeue(struct rte_ring *r, void **obj_p)
 static __rte_always_inline int
 rte_ring_sc_dequeue(struct rte_ring *r, void **obj_p)
 {
-       return rte_ring_sc_dequeue_bulk(r, obj_p, 1, NULL) ? 0 : -ENOBUFS;
+       return rte_ring_sc_dequeue_bulk(r, obj_p, 1, NULL) ? 0 : -ENOENT;
 }
 
 /**