IB/ipath: Fix memory leak if allocation fails

If the second allocation failed, the first structure allocated in this
routine was not freed.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 2108466c7e33..a01301d0753c 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1326,6 +1326,9 @@ int ipath_create_rcvhdrq(struct ipath_devdata *dd,
                                       "for port %u rcvhdrqtailaddr failed\n",
                                       pd->port_port);
                         ret = -ENOMEM;
+                        dma_free_coherent(&dd->pcidev->dev, amt,
+                                          pd->port_rcvhdrq, pd->port_rcvhdrq_phys);
+                        pd->port_rcvhdrq = NULL;
                         goto bail;
                 }
                 pd->port_rcvhdrqtailaddr_phys = phys_hdrqtail;