mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-20 17:41:09 +00:00
Code Issues Releases Wiki Activity

RDMA/siw: Fix refcounting leak in siw_create_qp()

Browse source 
commit a75badebfd upstream.

The atomic_inc() needs to be paired with an atomic_dec() on the error
path.

Fixes: 514aee660d ("RDMA: Globally allocate and release QP memory")
Link: https://lore.kernel.org/r/20220118091104.GA11671@kili
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2022-01-18 12:11:04 +03:00 committed by Greg Kroah-Hartman
parent 2923948ffe
commit 2989ba9532
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/infiniband/sw/siw/siw_verbs.c
View file

@ -311,7 +311,8 @@ int siw_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attrs,
if (atomic_inc_return(&sdev->num_qp) > SIW_MAX_QP) {
siw_dbg(base_dev, "too many QP's\n");
return -ENOMEM;
rv = -ENOMEM;
goto err_atomic;
}
if (attrs->qp_type != IB_QPT_RC) {
siw_dbg(base_dev, "only RC QP's supported\n");