From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Reviewed-by: Bernard Metzler <bmt@xxxxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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");
