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Miller" , Udit Tiwari , Daniel Perez-Zoghbi , Md Sadre Alam , Dmitry Baryshkov , Peter Ujfalusi , Michal Simek , Frank Li Cc: dmaengine@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, brgl@kernel.org, Bartosz Golaszewski , Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2241; i=bartosz.golaszewski@oss.qualcomm.com; h=from:subject:message-id; bh=aUMoNrCGDXfli/Niiqe45turoruXO4WeijyijWZBwgw=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBppbNrTjy/ojBhX/ZFgmg4UwznZqz412Fh06ExU MrjXRXycaKJAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCaaWzawAKCRAFnS7L/zaE w0UaD/4kKdICehR+EWUpEJ7Xw3Pn+Zs4aSTYcrf87riNyI4MzlhCH9lalV+/4BgyrQyWXL9jTIY E6LoPKCUQ+NdQNJ2vGxj+QpJpzJ6UccaNpN6ZUZK0rvts+QJ8QaXx3X6RBZmGgZOHe0cwxhBUWl aNraBhcjruZNqcafqUeryEjGqOqg+6rsfB0md5jISCrvM1Y3HPo3HeFT4vWipDT1qGnWh1u3rJN lMvE4e4OSeXuVXrB1TRCawmTN+F4B/3fWGKhTlSIvZoMPztvk3zPaBlI9x7CXKara6Ar0G9nUq5 egR+gTGfmAmxqNojshzYdq4A/ok0vrNoZInhe4AR885iaIaBZukm1rbb+Egd8oOklSzOi1HMGv5 OH1ZH+ZBRpeJcK71LxHRL3gLkkiwa4KnaLE45jL+8z2bRwGPN+RHc4vgkcmErEOWZFmN8X1YSQz uWCzc5urAtYMJXBFGkovaLpeEELBflXDQeQOpVyAQwdU6C+D0ln4C2Lftlu+zDhSw2+UuBe+WxK Rj4TxlDts1Enx2YFfESAsXxdfCIlJm6f7FsF0TEJAWdkm98ziV65XXVDtbT37J+NWU6OQMbGoqv aG4PjmKvoMvJz2sNe35Bw+OcH/MrfkY1SS0ewx3s0n6kx79xujbAi+fo01EvBPTKRt2vGywy5kM PO6CirSIe6kREYQ== X-Developer-Key: i=bartosz.golaszewski@oss.qualcomm.com; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 X-Authority-Analysis: v=2.4 cv=Pe7yRyhd c=1 sm=1 tr=0 ts=69a5b381 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=XeVHrwws4l7kqE2Ex6IA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: PCthifv2PZ8qENssRStb6j5AWNdmqD-e X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAyMDEzMyBTYWx0ZWRfX8TekvYXMFydK dMp/q1Mw06frgnjtRplnfgsybtUbKCKdjV15sKW3JrPK/iNxZumgY5ts5nPP5bkA/1GlN7hWYBK MF8NdWfu51EKcdBtjoBLXo7O37A4T6mhWFJJSAFvhQ/j3BofwYgSun4snnuRm++EOp3PnLQtQMD 6eTTxV6xSWte/9tTZC8NoWsj8E9pQWVgJaY653JZ0iplbe5folsSp+7g4vG7oFCdKBvzmjRNc1D /QvBSb64kdrdLKhTTAppwJ7fZOSQ6QJjBm8iuOfV+qprO+Q2mV3sAXf+AWM2qeRx3KSlOthGl/q FUwvhsv5TqbDT1ZaxouIAyBUPDSxtqpG3llaOFRmkzzICW2imREXvEp0pPCOpptYahTEqGByt8i x3vMseFc4UNYlNPkMyJPe4KVpVg7OMf0nInEvWnkpE6ngbM8fGK03yoHgy+UnLlqF7AfQ1QQMWw QSK8brYIE3PJX0CZlzw== X-Proofpoint-GUID: PCthifv2PZ8qENssRStb6j5AWNdmqD-e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_03,2026-03-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 impostorscore=0 priorityscore=1501 spamscore=0 adultscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603020133 There's no reason for the instances of this struct to be modifiable. Constify the pointer in struct dma_async_tx_descriptor and all drivers currently using it. Signed-off-by: Bartosz Golaszewski --- drivers/dma/ti/k3-udma.c | 2 +- drivers/dma/xilinx/xilinx_dma.c | 2 +- include/linux/dmaengine.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index c964ebfcf3b68d86e4bbc9b62bad2212f0ce3ee9..8a2f235b669aaf084a6f7b3e6b2= 3d06b04768608 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -3408,7 +3408,7 @@ static int udma_set_metadata_len(struct dma_async_tx_= descriptor *desc, return 0; } =20 -static struct dma_descriptor_metadata_ops metadata_ops =3D { +static const struct dma_descriptor_metadata_ops metadata_ops =3D { .attach =3D udma_attach_metadata, .get_ptr =3D udma_get_metadata_ptr, .set_len =3D udma_set_metadata_len, diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dm= a.c index b53292e02448fe528f1ae9ba33b4bcf408f89fd6..97b934ca54101ea699e3ab28d41= 9bed1b45dee4a 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -653,7 +653,7 @@ static void *xilinx_dma_get_metadata_ptr(struct dma_asy= nc_tx_descriptor *tx, return seg->hw.app; } =20 -static struct dma_descriptor_metadata_ops xilinx_dma_metadata_ops =3D { +static const struct dma_descriptor_metadata_ops xilinx_dma_metadata_ops = =3D { .get_ptr =3D xilinx_dma_get_metadata_ptr, }; =20 diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 99efe2b9b4ea9844ca6161208362ef18ef111d96..92566c4c100e98f48750de21249= ae3b5de06c763 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -623,7 +623,7 @@ struct dma_async_tx_descriptor { void *callback_param; struct dmaengine_unmap_data *unmap; enum dma_desc_metadata_mode desc_metadata_mode; - struct dma_descriptor_metadata_ops *metadata_ops; + const struct dma_descriptor_metadata_ops *metadata_ops; #ifdef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH struct dma_async_tx_descriptor *next; struct dma_async_tx_descriptor *parent; --=20 2.47.3