* [dpdk-dev] [PATCH] ixgbe:set txep.mbuf to NULL when calling ixgbe_tx_free_bufs
@ 2015-08-01 1:22 hepeng
0 siblings, 0 replies; only message in thread
From: hepeng @ 2015-08-01 1:22 UTC (permalink / raw)
To: dev
In *ixgbe_tx_free_bufs*, after recycling some tx entries, one should set their mbuf pointers to NULL.
Signed-off-by: hepeng <xnhp0320@icloud.com>
---
drivers/net/ixgbe/ixgbe_rxtx_vec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec.c b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
index 1c16dec..813b168 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
@@ -615,9 +615,11 @@ ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
if (likely(m != NULL)) {
free[0] = m;
nb_free = 1;
+ txep[0].mbuf = NULL;
for (i = 1; i < n; i++) {
m = __rte_pktmbuf_prefree_seg(txep[i].mbuf);
if (likely(m != NULL)) {
+ txep[0].mbuf = NULL;
if (likely(m->pool == free[0]->pool))
free[nb_free++] = m;
else {
@@ -632,8 +634,10 @@ ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
} else {
for (i = 1; i < n; i++) {
m = __rte_pktmbuf_prefree_seg(txep[i].mbuf);
- if (m != NULL)
+ if (m != NULL) {
+ txep[0].mbuf = NULL;
rte_mempool_put(m->pool, m);
+ }
}
}
--
1.9.1
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