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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Santosh Rastapur , Arjun Vynipadath , Michael Werner , Ganesh GR , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net] ethernet: cxgb4: Fix dma_unmap_sg() nents value Date: Mon, 23 Jun 2025 14:25:55 +0200 Message-ID: <20250623122557.116906-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The dma_unmap_sg() functions should be called with the same nents as the dma_map_sg(), not the value the map function returned. Fixes: 8b4e6b3ca2ed ("cxgb4: Add HMA support") Signed-off-by: Thomas Fourier --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/= ethernet/chelsio/cxgb4/cxgb4_main.c index 51395c96b2e9..73bb1f413761 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3998,7 +3998,7 @@ static void adap_free_hma_mem(struct adapter *adapter) =20 if (adapter->hma.flags & HMA_DMA_MAPPED_FLAG) { dma_unmap_sg(adapter->pdev_dev, adapter->hma.sgt->sgl, - adapter->hma.sgt->nents, DMA_BIDIRECTIONAL); + adapter->hma.sgt->orig_nents, DMA_BIDIRECTIONAL); adapter->hma.flags &=3D ~HMA_DMA_MAPPED_FLAG; } =20 --=20 2.43.0