RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq()

Sashiko points out that mlx4_srq_alloc() was not undone during error
unwind, add the missing call to mlx4_srq_free().

Cc: stable@vger.kernel.org
Fixes: 225c7b1feef1 ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Link: https://sashiko.dev/#/patchset/0-v1-e911b76a94d1%2B65d95-rdma_udata_rep_jgg%40nvidia.com?part=8
Link: https://patch.msgid.link/r/11-v1-41f3135e5565+9d2-rdma_ai_fixes1_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 5b23e5f..7678407 100644 (file)
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -194,13 +194,15 @@ int mlx4_ib_create_srq(struct ib_srq *ib_srq,
        if (udata)
                if (ib_copy_to_udata(udata, &srq->msrq.srqn, sizeof (__u32))) {
                        err = -EFAULT;
-                       goto err_wrid;
+                       goto err_srq;
                }
 
        init_attr->attr.max_wr = srq->msrq.max - 1;
 
        return 0;
 
+err_srq:
+       mlx4_srq_free(dev->dev, &srq->msrq);
 err_wrid:
        if (udata)
                mlx4_ib_db_unmap_user(ucontext, &srq->db);