diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs_main.c')
-rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 3d2609608f58..dc2aed6fb21b 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -49,6 +49,7 @@ #include <linux/uaccess.h> #include <rdma/ib.h> +#include <rdma/uverbs_std_types.h> #include "uverbs.h" #include "core_priv.h" @@ -250,6 +251,7 @@ void ib_uverbs_release_file(struct kref *ref) if (atomic_dec_and_test(&file->device->refcount)) ib_uverbs_comp_dev(file->device); + kobject_put(&file->device->kobj); kfree(file); } @@ -594,7 +596,6 @@ struct file *ib_uverbs_alloc_async_event_file(struct ib_uverbs_file *uverbs_file { struct ib_uverbs_async_event_file *ev_file; struct file *filp; - int ret; ev_file = kzalloc(sizeof(*ev_file), GFP_KERNEL); if (!ev_file) @@ -620,21 +621,11 @@ struct file *ib_uverbs_alloc_async_event_file(struct ib_uverbs_file *uverbs_file INIT_IB_EVENT_HANDLER(&uverbs_file->event_handler, ib_dev, ib_uverbs_event_handler); - ret = ib_register_event_handler(&uverbs_file->event_handler); - if (ret) - goto err_put_file; - + ib_register_event_handler(&uverbs_file->event_handler); /* At that point async file stuff was fully set */ return filp; -err_put_file: - fput(filp); - kref_put(&uverbs_file->async_file->ref, - ib_uverbs_release_async_event_file); - uverbs_file->async_file = NULL; - return ERR_PTR(ret); - err_put_refs: kref_put(&ev_file->uverbs_file->ref, ib_uverbs_release_file); kref_put(&ev_file->ref, ib_uverbs_release_async_event_file); @@ -917,7 +908,6 @@ err: static int ib_uverbs_close(struct inode *inode, struct file *filp) { struct ib_uverbs_file *file = filp->private_data; - struct ib_uverbs_device *dev = file->device; mutex_lock(&file->cleanup_mutex); if (file->ucontext) { @@ -939,7 +929,6 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) ib_uverbs_release_async_event_file); kref_put(&file->ref, ib_uverbs_release_file); - kobject_put(&dev->kobj); return 0; } @@ -950,6 +939,9 @@ static const struct file_operations uverbs_fops = { .open = ib_uverbs_open, .release = ib_uverbs_close, .llseek = no_llseek, +#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) + .unlocked_ioctl = ib_uverbs_ioctl, +#endif }; static const struct file_operations uverbs_mmap_fops = { @@ -959,6 +951,9 @@ static const struct file_operations uverbs_mmap_fops = { .open = ib_uverbs_open, .release = ib_uverbs_close, .llseek = no_llseek, +#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS) + .unlocked_ioctl = ib_uverbs_ioctl, +#endif }; static struct ib_client uverbs_client = { @@ -1109,6 +1104,18 @@ static void ib_uverbs_add_one(struct ib_device *device) if (device_create_file(uverbs_dev->dev, &dev_attr_abi_version)) goto err_class; + if (!device->specs_root) { + const struct uverbs_object_tree_def *default_root[] = { + uverbs_default_get_objects()}; + + uverbs_dev->specs_root = uverbs_alloc_spec_tree(1, + default_root); + if (IS_ERR(uverbs_dev->specs_root)) + goto err_class; + + device->specs_root = uverbs_dev->specs_root; + } + ib_set_client_data(device, &uverbs_client, uverbs_dev); return; @@ -1154,7 +1161,6 @@ static void ib_uverbs_free_hw_resources(struct ib_uverbs_device *uverbs_dev, kref_get(&file->ref); mutex_unlock(&uverbs_dev->lists_mutex); - ib_uverbs_event_handler(&file->event_handler, &event); mutex_lock(&file->cleanup_mutex); ucontext = file->ucontext; @@ -1171,6 +1177,7 @@ static void ib_uverbs_free_hw_resources(struct ib_uverbs_device *uverbs_dev, * for example due to freeing the resources * (e.g mmput). */ + ib_uverbs_event_handler(&file->event_handler, &event); ib_dev->disassociate_ucontext(ucontext); mutex_lock(&file->cleanup_mutex); ib_uverbs_cleanup_ucontext(file, ucontext, true); @@ -1240,6 +1247,11 @@ static void ib_uverbs_remove_one(struct ib_device *device, void *client_data) ib_uverbs_comp_dev(uverbs_dev); if (wait_clients) wait_for_completion(&uverbs_dev->comp); + if (uverbs_dev->specs_root) { + uverbs_free_spec_tree(uverbs_dev->specs_root); + device->specs_root = NULL; + } + kobject_put(&uverbs_dev->kobj); } |