[git patch review 4/6] IB/mthca: Fix memory leaks in error handling

[Roland Dreier <rolandd@cisco.com>]

Fix memory leaks in mthca_create_qp() and mthca_create_srq()
error handling.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

---

 drivers/infiniband/hw/mthca/mthca_provider.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

17e2e819517d75f2f3407e59c5f7f6f0ef305d14
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index db35690..484a7e6 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -445,8 +445,10 @@ static struct ib_srq *mthca_create_srq(s
 	if (pd->uobject) {
 		context = to_mucontext(pd->uobject->context);
 
-		if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
-			return ERR_PTR(-EFAULT);
+		if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
+			err = -EFAULT;
+			goto err_free;
+		}
 
 		err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
 					context->db_tab, ucmd.db_index,
@@ -522,8 +524,10 @@ static struct ib_qp *mthca_create_qp(str
 		if (pd->uobject) {
 			context = to_mucontext(pd->uobject->context);
 
-			if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
+			if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
+				kfree(qp);
 				return ERR_PTR(-EFAULT);
+			}
 
 			err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
 						context->db_tab,
-- 
1.0.7