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* [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL
@ 2025-09-12 14:01 Feng zhou
  2025-09-15 19:36 ` Jens Axboe
  2025-09-16  1:30 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Feng zhou @ 2025-09-12 14:01 UTC (permalink / raw)
  To: axboe, asml.silence, almasrymina, kuba, edumazet, pabeni, horms,
	saeedm, tariqt, mbloch, leon, andrew+netdev, dtatulea
  Cc: netdev, io-uring, linux-kernel, yangzhenze, wangdongdong.6,
	zhoufeng.zf

From: Feng Zhou <zhoufeng.zf@bytedance.com>

ifq->if_rxq has not been assigned, is -1, the correct value is
in reg.if_rxq.

Fixes: 59b8b32ac8d469958936fcea781c7f58e3d64742 ("io_uring/zcrx: add support for custom DMA devices")
Signed-off-by: Feng Zhou <zhoufeng.zf@bytedance.com>
---
 io_uring/zcrx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index 319eddfd30e0..3639283c87ca 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -600,7 +600,7 @@ int io_register_zcrx_ifq(struct io_ring_ctx *ctx,
 		goto err;
 	}
 
-	ifq->dev = netdev_queue_get_dma_dev(ifq->netdev, ifq->if_rxq);
+	ifq->dev = netdev_queue_get_dma_dev(ifq->netdev, reg.if_rxq);
 	if (!ifq->dev) {
 		ret = -EOPNOTSUPP;
 		goto err;
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL
  2025-09-12 14:01 [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL Feng zhou
@ 2025-09-15 19:36 ` Jens Axboe
  2025-09-16  1:30 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: Jens Axboe @ 2025-09-15 19:36 UTC (permalink / raw)
  To: Feng zhou, asml.silence, almasrymina, kuba, edumazet, pabeni,
	horms, saeedm, tariqt, mbloch, leon, andrew+netdev, dtatulea
  Cc: netdev, io-uring, linux-kernel, yangzhenze, wangdongdong.6

On 9/12/25 8:01 AM, Feng zhou wrote:
> From: Feng Zhou <zhoufeng.zf@bytedance.com>
> 
> ifq->if_rxq has not been assigned, is -1, the correct value is
> in reg.if_rxq.

Reviewed-by: Jens Axboe <axboe@kernel.dk>

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL
  2025-09-12 14:01 [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL Feng zhou
  2025-09-15 19:36 ` Jens Axboe
@ 2025-09-16  1:30 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2025-09-16  1:30 UTC (permalink / raw)
  To: Feng zhou
  Cc: axboe, asml.silence, almasrymina, kuba, edumazet, pabeni, horms,
	saeedm, tariqt, mbloch, leon, andrew+netdev, dtatulea, netdev,
	io-uring, linux-kernel, yangzhenze, wangdongdong.6

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Fri, 12 Sep 2025 22:01:33 +0800 you wrote:
> From: Feng Zhou <zhoufeng.zf@bytedance.com>
> 
> ifq->if_rxq has not been assigned, is -1, the correct value is
> in reg.if_rxq.
> 
> Fixes: 59b8b32ac8d469958936fcea781c7f58e3d64742 ("io_uring/zcrx: add support for custom DMA devices")
> Signed-off-by: Feng Zhou <zhoufeng.zf@bytedance.com>
> 
> [...]

Here is the summary with links:
  - [net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL
    https://git.kernel.org/netdev/net-next/c/3a0ac202534b

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2025-09-12 14:01 [PATCH net-next] io_uring/zcrx: fix ifq->if_rxq is -1, get dma_dev is NULL Feng zhou
2025-09-15 19:36 ` Jens Axboe
2025-09-16  1:30 ` patchwork-bot+netdevbpf

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