[PATCH v1 8/9] net/nbl: address nbl channel integer handling issues 490954

Dimon Zhao dimon.zhao at nebula-matrix.com
Mon Oct 27 11:16:47 CET 2025


Coverity issue: 490954

Signed-off-by: Dimon Zhao <dimon.zhao at nebula-matrix.com>
---
 drivers/net/nbl/nbl_hw/nbl_channel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nbl/nbl_hw/nbl_channel.c b/drivers/net/nbl/nbl_hw/nbl_channel.c
index a8f53ec497..654e56f200 100644
--- a/drivers/net/nbl/nbl_hw/nbl_channel.c
+++ b/drivers/net/nbl/nbl_hw/nbl_channel.c
@@ -324,7 +324,8 @@ static void nbl_chan_advance_rx_ring(struct nbl_channel_mgt *chan_mgt,
 	rx_desc = NBL_CHAN_RX_DESC(rxq, next_to_use);
 
 	rx_desc->flags = NBL_CHAN_RX_DESC_AVAIL;
-	rx_desc->buf_addr = rxq->buf_mem.pa + chan_info->mailbox.rxq_buf_size * next_to_use;
+	rx_desc->buf_addr = rxq->buf_mem.pa +
+				(u64)chan_info->mailbox.rxq_buf_size * (u64)next_to_use;
 	rx_desc->buf_len = chan_info->mailbox.rxq_buf_size;
 
 	rte_wmb();
-- 
2.34.1



More information about the dev mailing list