RDMA/cxgb4: Don't free chunk that we have failed to allocate

In the error path of registering memory when there's a failure to
allocate a chunk from the memory pool, we try to free the same chunk
we just failed to allocate, which will BUG().

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 57e07c6..afd8179 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -468,7 +468,7 @@ struct ib_mr *c4iw_register_phys_mem(struct ib_pd *pd,
        ret = alloc_pbl(mhp, npages);
        if (ret) {
                kfree(page_list);
-               goto err_pbl;
+               goto err;
        }
 
        ret = write_pbl(&mhp->rhp->rdev, page_list, mhp->attr.pbl_addr,