Author: hselasky
Date: Thu Aug 2 08:21:04 2018
New Revision: 337083
URL: https://svnweb.freebsd.org/changeset/base/337083
Log:
MFC r336377:
Fix kernel panic while using XRC_TGT QP type in ibcore.
Attempt to modify XRC_TGT QP type from the user space (ibv_xsrq_pingpong
invocation) will trigger the following kernel panic. It is caused by the
fact that such QPs missed uobject initialization.
Linux commit:
f45765872e7aae7b81feb3044aaf9886b21885ef
Sponsored by: Mellanox Technologies
Modified:
stable/11/sys/ofed/drivers/infiniband/core/ib_uverbs_cmd.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_uverbs_cmd.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/ib_uverbs_cmd.c Thu Aug 2
08:20:11 2018 (r337082)
+++ stable/11/sys/ofed/drivers/infiniband/core/ib_uverbs_cmd.c Thu Aug 2
08:21:04 2018 (r337083)
@@ -1943,6 +1943,9 @@ static int create_qp(struct ib_uverbs_file *file,
atomic_inc(&attr.srq->usecnt);
if (ind_tbl)
atomic_inc(&ind_tbl->usecnt);
+ } else {
+ /* It is done in _ib_create_qp for other QP types */
+ qp->uobject = &obj->uevent.uobject;
}
qp->uobject = &obj->uevent.uobject;
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