[dpdk-dev] [PATCH] net/mvneta: check allocation in rx queue flush

[wangyunjian]

From: Yunjian Wang <wangyunj...@huawei.com>

The function rte_malloc() could return NULL, the return value
need to be checked.

Fixes: ce7ea764597e ("net/mvneta: support Rx/Tx")
Cc: sta...@dpdk.org

Signed-off-by: Yunjian Wang <wangyunj...@huawei.com>
---
 drivers/net/mvneta/mvneta_rxtx.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/mvneta/mvneta_rxtx.c b/drivers/net/mvneta/mvneta_rxtx.c
index 10b6f57584..dfa7ecc090 100644
--- a/drivers/net/mvneta/mvneta_rxtx.c
+++ b/drivers/net/mvneta/mvneta_rxtx.c
@@ -872,7 +872,17 @@ mvneta_rx_queue_flush(struct mvneta_rxq *rxq)
        int ret, i;
 
        descs = rte_malloc("rxdesc", MRVL_NETA_RXD_MAX * sizeof(*descs), 0);
+       if (descs == NULL) {
+               MVNETA_LOG(ERR, "Failed to allocate descs.");
+               return;
+       }
+
        bufs = rte_malloc("buffs", MRVL_NETA_RXD_MAX * sizeof(*bufs), 0);
+       if (bufs == NULL) {
+               MVNETA_LOG(ERR, "Failed to allocate bufs.");
+               rte_free(descs);
+               return;
+       }
 
        do {
                num = MRVL_NETA_RXD_MAX;
-- 
2.23.0