From b4ca1a3f8ca24033d7b7ef595faef97d9f8b2326 Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Fri, 6 Jan 2006 16:21:19 -0800 Subject: IB/uverbs: Fix reference counting on error paths If an operation fails after incrementing an object's reference count, then it should decrement the reference count on the error path. Signed-off-by: Jack Morgenstein Signed-off-by: Michael S. Tsirkin Signed-off-by: Roland Dreier --- drivers/infiniband/core/uverbs_cmd.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index a57d021d435..6985a57fa6a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -489,6 +489,7 @@ err_idr: err_unreg: ib_dereg_mr(mr); + atomic_dec(&pd->usecnt); err_up: up(&ib_uverbs_idr_mutex); @@ -935,6 +936,11 @@ err_idr: err_destroy: ib_destroy_qp(qp); + atomic_dec(&pd->usecnt); + atomic_dec(&attr.send_cq->usecnt); + atomic_dec(&attr.recv_cq->usecnt); + if (attr.srq) + atomic_dec(&attr.srq->usecnt); err_up: up(&ib_uverbs_idr_mutex); @@ -1729,6 +1735,7 @@ err_idr: err_destroy: ib_destroy_srq(srq); + atomic_dec(&pd->usecnt); err_up: up(&ib_uverbs_idr_mutex); -- cgit v1.2.3