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vmxnet3: unregister xdp rxq info in the reset path
jira LE-3460 Rebuild_History Non-Buildable kernel-6.12.0-55.17.1.el10_0 commit-author Sankararaman Jayaraman <sankararaman.jayaraman@broadcom.com> commit 0dd765f vmxnet3 does not unregister xdp rxq info in the vmxnet3_reset_work() code path as vmxnet3_rq_destroy() is not invoked in this code path. So, we get below message with a backtrace. Missing unregister, handled but fix driver WARNING: CPU:48 PID: 500 at net/core/xdp.c:182 __xdp_rxq_info_reg+0x93/0xf0 This patch fixes the problem by moving the unregister code of XDP from vmxnet3_rq_destroy() to vmxnet3_rq_cleanup(). Fixes: 54f00cc ("vmxnet3: Add XDP support.") Signed-off-by: Sankararaman Jayaraman <sankararaman.jayaraman@broadcom.com> Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com> Link: https://patch.msgid.link/20250320045522.57892-1-sankararaman.jayaraman@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> (cherry picked from commit 0dd765f) Signed-off-by: Jonathan Maple <jmaple@ciq.com>
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drivers/net/vmxnet3/vmxnet3_drv.c

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -2025,6 +2025,11 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
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rq->comp_ring.gen = VMXNET3_INIT_GEN;
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rq->comp_ring.next2proc = 0;
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if (xdp_rxq_info_is_reg(&rq->xdp_rxq))
2030+
xdp_rxq_info_unreg(&rq->xdp_rxq);
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page_pool_destroy(rq->page_pool);
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rq->page_pool = NULL;
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}
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@@ -2065,11 +2070,6 @@ static void vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq,
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}
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}
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2068-
if (xdp_rxq_info_is_reg(&rq->xdp_rxq))
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xdp_rxq_info_unreg(&rq->xdp_rxq);
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page_pool_destroy(rq->page_pool);
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rq->page_pool = NULL;
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if (rq->data_ring.base) {
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dma_free_coherent(&adapter->pdev->dev,
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rq->rx_ring[0].size * rq->data_ring.desc_size,

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