diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 568cb41be904e88bb74efd6b70a3798e9a1e9f66..694bd669b2d8b8c5ca7a553b7e3f4b5734560a51 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -539,9 +539,11 @@ EXPORT_SYMBOL(ib_dispatch_event); int ib_query_device(struct ib_device *device, struct ib_device_attr *device_attr) { + struct ib_udata uhw = {.outlen = 0, .inlen = 0}; + memset(device_attr, 0, sizeof(*device_attr)); - return device->query_device(device, device_attr); + return device->query_device(device, device_attr, &uhw); } EXPORT_SYMBOL(ib_query_device); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 11ee298bb26b00540df1a1c1d0ed772ca04299c3..bbb02ffe87df97ea2696e97e4baf9ae1718d0355 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3428,7 +3428,7 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, memset(&attr, 0, sizeof(attr)); - err = device->query_device(device, &attr); + err = device->query_device(device, &attr, uhw); if (err) return err; diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c index 8ea569f2cfa687dc56b4172015ca23e23db8a069..adfcef0946f73fed3180eb42a056c8a11db2f689 100644 --- a/drivers/infiniband/hw/amso1100/c2_provider.c +++ b/drivers/infiniband/hw/amso1100/c2_provider.c @@ -63,13 +63,16 @@ #include "c2_provider.h" #include "c2_user.h" -static int c2_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int c2_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct c2_dev *c2dev = to_c2dev(ibdev); pr_debug("%s:%u\n", __func__, __LINE__); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + *props = c2dev->props; return 0; } diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index b3b847c3d24b67988706b527665b546278e247e0..208b68b9bba1af4fe2777b3c13acad802771f933 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1150,13 +1150,17 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev) (fw_mic & 0xffff); } -static int iwch_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int iwch_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct iwch_dev *dev; + PDBG("%s ibdev %p\n", __func__, ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + dev = to_iwch_dev(ibdev); memset(props, 0, sizeof *props); memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6); diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 75ea26a32076997a273d2fc9aadbe693cdeffe9b..2e909ddd065fb67a71ef174bf48ed7af5a611de2 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -302,13 +302,17 @@ static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, return 0; } -static int c4iw_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct c4iw_dev *dev; + PDBG("%s ibdev %p\n", __func__, ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + dev = to_c4iw_dev(ibdev); memset(props, 0, sizeof *props); memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c index 9ed4d2588304a2029e4d401aaee28e8cddd3403e..e8b1bb65797a97c19180a477a7bb62471f25dbf5 100644 --- a/drivers/infiniband/hw/ehca/ehca_hca.c +++ b/drivers/infiniband/hw/ehca/ehca_hca.c @@ -50,7 +50,8 @@ static unsigned int limit_uint(unsigned int value) return min_t(unsigned int, value, INT_MAX); } -int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { int i, ret = 0; struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, @@ -71,6 +72,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT, }; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!rblock) { ehca_err(&shca->ib_device, "Can't allocate rblock memory."); diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index 62caf2ee020913bba03d6145662c9bb7c8d56fc8..568e52bcfb605fbc6a1b51c9a988e87f8e344bbc 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -44,7 +44,8 @@ #include "ehca_classes.h" -int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props); +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw); int ehca_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 764081d305b62e0a10378148ed428afb358d6490..78af73c62916d8ad875a01558187efb5e34eb61c 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1495,11 +1495,14 @@ int ipath_ib_piobufavail(struct ipath_ibdev *dev) return 0; } -static int ipath_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int ipath_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct ipath_ibdev *dev = to_idev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(props, 0, sizeof(*props)); props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR | diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index af2071ed143711a2320a83b43be4eb99898c93b6..6cd8cd5bf1c5b92a67c2785455b866014a753bed 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -132,7 +132,8 @@ static int num_ib_ports(struct mlx4_dev *dev) } static int mlx4_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx4_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -140,6 +141,9 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, int err = -ENOMEM; int have_ib_ports; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 06b023855a335154306d6c1a90ebfe51ca0d567a..5803859d3f7666c70a552765bca304c2256a6991 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -63,7 +63,8 @@ static char mlx5_version[] = DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; static int mlx5_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx5_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -74,6 +75,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, int max_sq_sg; u64 flags; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + gen = &dev->mdev->caps.gen; in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); @@ -910,6 +914,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) struct mlx5_general_caps *gen; int err = -ENOMEM; int port; + struct ib_udata uhw = {.inlen = 0, .outlen = 0}; gen = &dev->mdev->caps.gen; pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); @@ -920,7 +925,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) if (!dprops) goto out; - err = mlx5_ib_query_device(&dev->ib_dev, dprops); + err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); if (err) { mlx5_ib_warn(dev, "query_device failed %d\n", err); goto out; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index f1b04bd102d107181a8f5ad407b257a9ef6a8a44..d6d7c164cc2d2890786db74982f1a599a5094e5b 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -57,14 +57,17 @@ static void init_query_mad(struct ib_smp *mad) mad->method = IB_MGMT_METHOD_GET; } -static int mthca_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int err = -ENOMEM; struct mthca_dev *mdev = to_mdev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index a3d3d8172f9aef4ab286a2db0f7c8a1cf9e8f46c..c94390b57de1a937f521a33209659f5ac55eb4b7 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -512,12 +512,16 @@ static void nes_free_fast_reg_page_list(struct ib_fast_reg_page_list *pifrpl) /** * nes_query_device */ -static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props) +static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct nes_vnic *nesvnic = to_nesvnic(ibdev); struct nes_device *nesdev = nesvnic->nesdev; struct nes_ib_device *nesibdev = nesvnic->nesibdev; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(props, 0, sizeof(*props)); memcpy(&props->sys_image_guid, nesvnic->netdev->dev_addr, 6); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 787058dc8d1818fbfb05cbfd52d3c6ca0bc4b6fb..aab120280907964dd1c26c51d5d116a9e503e616 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -61,10 +61,14 @@ int ocrdma_query_gid(struct ib_device *ibdev, u8 port, return 0; } -int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) +int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr, + struct ib_udata *uhw) { struct ocrdma_dev *dev = get_ocrdma_dev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(attr, 0, sizeof *attr); memcpy(&attr->fw_ver, &dev->attr.fw_ver[0], min(sizeof(dev->attr.fw_ver), sizeof(attr->fw_ver))); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index e853195e005bfa280d820c95d725e8f1dc14121c..b15c608efa7b03c72a2eb44e1f7b8af919db13b0 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -36,7 +36,8 @@ int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *, int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc); int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags); -int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props); +int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props, + struct ib_udata *uhw); int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props); int ocrdma_modify_port(struct ib_device *, u8 port, int mask, struct ib_port_modify *props); diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index dba1c92f1a544710cdc70d7f6dc331cee87a337a..e1dad4558ed13cbf206c7a8452a91ac2c70d5b77 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1550,12 +1550,14 @@ void qib_ib_piobufavail(struct qib_devdata *dd) } } -static int qib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct qib_devdata *dd = dd_from_ibdev(ibdev); struct qib_ibdev *dev = to_idev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; memset(props, 0, sizeof(*props)); props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR | diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 2b3f7e3fe1aab658da2c092bae7d103e883586ab..7df43827cb29661a039d1794d24a20e6cbf1b094 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -248,7 +248,8 @@ enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device, } int usnic_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct usnic_ib_dev *us_ibdev = to_usdev(ibdev); union ib_gid gid; @@ -257,6 +258,9 @@ int usnic_ib_query_device(struct ib_device *ibdev, int qp_per_vf; usnic_dbg("\n"); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + mutex_lock(&us_ibdev->usdev_lock); us_ibdev->netdev->ethtool_ops->get_drvinfo(us_ibdev->netdev, &info); us_ibdev->netdev->ethtool_ops->get_settings(us_ibdev->netdev, &cmd); diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h index 2ab84270b83da6346c23b2e6e6d73f208539b7ca..0bd04efa16f33f514c30b3b5c32cf62f8488c271 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h @@ -24,7 +24,8 @@ enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device, u8 port_num); int usnic_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props); + struct ib_device_attr *props, + struct ib_udata *uhw); int usnic_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); enum rdma_protocol_type diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index c0929245ddeedda3b395baa42420a1c6a524bce4..b02778812729e8a920aa0fb084241060f67944ad 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1561,7 +1561,8 @@ struct ib_device { int (*get_protocol_stats)(struct ib_device *device, union rdma_protocol_stats *stats); int (*query_device)(struct ib_device *device, - struct ib_device_attr *device_attr); + struct ib_device_attr *device_attr, + struct ib_udata *udata); int (*query_port)(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr);