Acked-by: Liron Himi <lir...@marvell.com>
-----Original Message-----
From: Amit Prakash Shukla <amitpraka...@marvell.com>
Sent: Thursday, 1 September 2022 11:31
To: Zyta Szpak <z...@semihalf.com>; Liron Himi <lir...@marvell.com>
Cc: dev@dpdk.org; Jerin Jacob Kollanukkaran <jer...@marvell.com>;
sta...@dpdk.org; Amit Prakash Shukla <amitpraka...@marvell.com>
Subject: [PATCH] net/mvneta: compilation fix for GCC-12
./drivers/net/mvneta/mvneta_rxtx.c:89:42:
error: 'mbufs' may be used uninitialized [-Werror=maybe-uninitialized]
89 | MVNETA_SET_COOKIE_HIGH_ADDR(mbufs[0]);
| ^
../drivers/net/mvneta/mvneta_rxtx.c:77:26: note: 'mbufs' declared here
77 | struct rte_mbuf *mbufs[MRVL_NETA_BUF_RELEASE_BURST_SIZE_MAX];
| ^~~~~
Fixes: ce7ea764597e ("net/mvneta: support Rx/Tx")
Cc: sta...@dpdk.org
Signed-off-by: Amit Prakash Shukla <amitpraka...@marvell.com>
---
drivers/net/mvneta/mvneta_rxtx.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/mvneta/mvneta_rxtx.c b/drivers/net/mvneta/mvneta_rxtx.c
index 6e4a7896b4..952e982275 100644
--- a/drivers/net/mvneta/mvneta_rxtx.c
+++ b/drivers/net/mvneta/mvneta_rxtx.c
@@ -79,6 +79,10 @@ mvneta_buffs_refill(struct mvneta_priv *priv, struct
mvneta_rxq *rxq, u16 *num)
int i, ret;
uint16_t nb_desc = *num;
+ /* To prevent GCC-12 warning. */
+ if (unlikely(nb_desc == 0))
+ return -1;
+
ret = rte_pktmbuf_alloc_bulk(rxq->mp, mbufs, nb_desc);
if (ret) {
MVNETA_LOG(ERR, "Failed to allocate %u mbufs.", nb_desc);
--
2.25.1
