From: Dan Carpenter dan.carpenter@oracle.com
commit a75badebfdc0b3823054bedf112edb54d6357c75 upstream.
The atomic_inc() needs to be paired with an atomic_dec() on the error path.
Fixes: 514aee660df4 ("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 --- drivers/infiniband/sw/siw/siw_verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/infiniband/sw/siw/siw_verbs.c +++ b/drivers/infiniband/sw/siw/siw_verbs.c @@ -311,7 +311,8 @@ int siw_create_qp(struct ib_qp *ibqp, st
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");