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ibcore: Remove the use of NULL_IB_OBJECT

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LinuxKPI's XArray implementation accepts NULL as an input as of the
following commit:
 - linuxkpi: Accept NULL as a value in linux_xarray (3102ea3b15)

Sponsored by:	Juniper Networks, Inc.
MFC after:	1 week
Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D44533
This commit is contained in:
Ka Ho Ng 2024-04-12 16:57:35 +00:00
parent 53b5393319
commit cb722b6779
1 changed files with 3 additions and 5 deletions
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8
sys/ofed/drivers/infiniband/core/ib_rdma_core.c
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@ -293,8 +293,6 @@ static struct ib_uobject *alloc_uobj(struct uverbs_attr_bundle *attrs,
return uobj;
}
#define NULL_IB_UOBJECT ((struct ib_uobject *)1)
static int idr_add_uobj(struct ib_uobject *uobj)
{
/*
@ -302,7 +300,7 @@ static int idr_add_uobj(struct ib_uobject *uobj)
* object which isn't initialized yet. We'll replace it later on with
* the real object once we commit.
*/
return xa_alloc(&uobj->ufile->idr, &uobj->id, NULL_IB_UOBJECT, xa_limit_32b,
return xa_alloc(&uobj->ufile->idr, &uobj->id, NULL, xa_limit_32b,
GFP_KERNEL);
}
@ -325,7 +323,7 @@ lookup_get_idr_uobject(const struct uverbs_api_object *obj,
* kfree() could be called at any time.
*/
uobj = xa_load(&ufile->idr, id);
if (!uobj || uobj == NULL_IB_UOBJECT || !kref_get_unless_zero(&uobj->ref))
if (!uobj || !kref_get_unless_zero(&uobj->ref))
uobj = ERR_PTR(-ENOENT);
rcu_read_unlock();
return uobj;
@ -589,7 +587,7 @@ static void alloc_commit_idr_uobject(struct ib_uobject *uobj)
* It will be put by remove_commit_idr_uobject()
*/
old = xa_store(&ufile->idr, uobj->id, uobj, GFP_KERNEL);
WARN_ON(old != NULL_IB_UOBJECT);
WARN_ON(old != NULL);
}
static void alloc_commit_fd_uobject(struct ib_uobject *uobj)