The value of *tail should be the prod->tail not prod->head. After
modification, it can record 'tail' so head/tail can be updated
accordingly.
Fixes: 664ff4b1729b ("ring: introduce peek style API")
Cc: [email protected]
Signed-off-by: Feifei Wang <[email protected]>
Reviewed-by: Ruifeng Wang <[email protected]>
---
lib/librte_ring/rte_ring_peek_c11_mem.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_ring/rte_ring_peek_c11_mem.h
b/lib/librte_ring/rte_ring_peek_c11_mem.h
index 99321f124..283c7e70b 100644
--- a/lib/librte_ring/rte_ring_peek_c11_mem.h
+++ b/lib/librte_ring/rte_ring_peek_c11_mem.h
@@ -40,7 +40,7 @@ __rte_ring_st_get_tail(struct rte_ring_headtail *ht, uint32_t
*tail,
RTE_ASSERT(n >= num);
num = (n >= num) ? num : 0;
- *tail = h;
+ *tail = t;
return num;
}
--
2.17.1
