RDMA/vmw_pvrdma: Fix memory leak on pvrdma_pci_remove

[ Upstream commit ea7a5c706fa49273cf6d1d9def053ecb50db2076 ]

Make sure to free the DSR on pvrdma_pci_remove() to avoid the memory leak.

Fixes: 29c8d9eb ("IB: Add vmw_pvrdma driver")
Signed-off-by: NKamal Heib <kamalheib1@gmail.com>
Acked-by: NAdit Ranadive <aditr@vmware.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c

@@ -1123,6 +1123,8 @@ static void pvrdma_pci_remove(struct pci_dev *pdev)
 	pvrdma_page_dir_cleanup(dev, &dev->cq_pdir);
 	pvrdma_page_dir_cleanup(dev, &dev->async_pdir);
 	pvrdma_free_slots(dev);
+	dma_free_coherent(&pdev->dev, sizeof(*dev->dsr), dev->dsr,
+			  dev->dsrbase);
 
 	iounmap(dev->regs);
 	kfree(dev->sgid_tbl);