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Tue, 30 Dec 2025 00:51:55 -0800 (PST) Received: from thomas-precision3591.inria.fr ([2a0d:e487:217e:be3a:c66c:743e:e8b4:feeb]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-4324ea1b1bdsm66538968f8f.8.2025.12.30.00.51.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Dec 2025 00:51:55 -0800 (PST) From: Thomas Fourier To: Cc: Thomas Fourier , stable@vger.kernel.org, Selvin Xavier , Kalesh AP , Jason Gunthorpe , Leon Romanovsky , Somnath Kotur , Eddie Wai , Sriharsha Basavapatna , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] RDMA/bnxt_re: fix dma_free_coherent() pointer Date: Tue, 30 Dec 2025 09:51:21 +0100 Message-ID: <20251230085121.8023-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The dma_alloc_coherent() allocates a dma-mapped buffer, pbl->pg_arr[i]. The dma_free_coherent() should pass the same buffer to dma_free_coherent() and not page-aligned. Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Cc: Signed-off-by: Thomas Fourier --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 875d7b52c06a..866dc22a2ab8 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -64,9 +64,7 @@ static void __free_pbl(struct bnxt_qplib_res *res, struct bnxt_qplib_pbl *pbl, for (i = 0; i < pbl->pg_count; i++) { if (pbl->pg_arr[i]) dma_free_coherent(&pdev->dev, pbl->pg_size, - (void *)((unsigned long) - pbl->pg_arr[i] & - PAGE_MASK), + pbl->pg_arr[i], pbl->pg_map_arr[i]); else dev_warn(&pdev->dev, -- 2.43.0