If the user reconfigures the queues size, then the previosly allocated
memzone may potentially be too small. Instead, always free the old
memzone and allocate a new one.
Fixes: dfaff37fc46d ("vmxnet3: import new vmxnet3 poll mode driver
implementation")
Signed-off-by: Chas Williams <ciwil...@brocade.com>
---
drivers/net/vmxnet3/vmxnet3_rxtx.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c
b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index 6649c3f..104e040 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -893,8 +893,8 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf
**rx_pkts, uint16_t nb_pkts)
/*
* Create memzone for device rings. malloc can't be used as the physical
address is
- * needed. If the memzone is already created, then this function returns a ptr
- * to the old one.
+ * needed. If the memzone already exists, we free it since it may have been
created
+ * with a different size.
*/
static const struct rte_memzone *
ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
@@ -909,7 +909,7 @@ ring_dma_zone_reserve(struct rte_eth_dev *dev, const char
*ring_name,
mz = rte_memzone_lookup(z_name);
if (mz)
- return mz;
+ rte_memzone_free(mz);
return rte_memzone_reserve_aligned(z_name, ring_size,
socket_id, 0, VMXNET3_RING_BA_ALIGN);
--
2.1.4
