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authorJason Gunthorpe <jgg@mellanox.com>2020-01-08 19:21:56 +0200
committerJason Gunthorpe <jgg@mellanox.com>2020-01-13 16:20:15 -0400
commit849e149063bd10eb6211c14617491a0bc9516c2f (patch)
tree0696e4f12a98b37cb37f29c1d119cf234258395f /include/rdma
parentRDMA/mlx5: Simplify devx async commands (diff)
downloadlinux-dev-849e149063bd10eb6211c14617491a0bc9516c2f.tar.xz
linux-dev-849e149063bd10eb6211c14617491a0bc9516c2f.zip
RDMA/core: Do not allow alloc_commit to fail
This is a left over from an earlier version that creates a lot of complexity for error unwind, particularly for FD uobjects. The only reason this was done is so that anon_inode_get_file() could be called with the final fops and a fully setup uobject. Both need to be setup since unwinding anon_inode_get_file() via fput will call the driver's release(). Now that the driver does not provide release, we no longer need to worry about this complicated sequence, simply create the struct file at the start and allow the core code's release function to deal with the abort case. This allows all the confusing error paths around commit to be removed. Link: https://lore.kernel.org/r/1578504126-9400-5-git-send-email-yishaih@mellanox.com Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/uverbs_std_types.h10
-rw-r--r--include/rdma/uverbs_types.h6
2 files changed, 3 insertions, 13 deletions
diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h
index 05eabfd5d0d3..c6bcaad4a8e0 100644
--- a/include/rdma/uverbs_std_types.h
+++ b/include/rdma/uverbs_std_types.h
@@ -104,16 +104,6 @@ static inline void uobj_put_write(struct ib_uobject *uobj)
rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
}
-static inline int __must_check
-uobj_alloc_commit(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
-{
- int ret = rdma_alloc_commit_uobject(uobj, attrs);
-
- if (ret)
- return ret;
- return 0;
-}
-
static inline void uobj_alloc_abort(struct ib_uobject *uobj,
struct uverbs_attr_bundle *attrs)
{
diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h
index b633fa2543e3..01d59df4e9e7 100644
--- a/include/rdma/uverbs_types.h
+++ b/include/rdma/uverbs_types.h
@@ -85,7 +85,7 @@ struct uverbs_obj_type_class {
struct ib_uobject *(*alloc_begin)(const struct uverbs_api_object *obj,
struct ib_uverbs_file *ufile);
/* This consumes the kref on uobj */
- int (*alloc_commit)(struct ib_uobject *uobj);
+ void (*alloc_commit)(struct ib_uobject *uobj);
/* This does not consume the kref on uobj */
void (*alloc_abort)(struct ib_uobject *uobj);
@@ -141,8 +141,8 @@ struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_api_object *obj,
struct uverbs_attr_bundle *attrs);
void rdma_alloc_abort_uobject(struct ib_uobject *uobj,
struct uverbs_attr_bundle *attrs);
-int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj,
- struct uverbs_attr_bundle *attrs);
+void rdma_alloc_commit_uobject(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs);
/*
* uverbs_uobject_get is called in order to increase the reference count on