Home Home > GIT Browse
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSteve Wise <swise@opengridcomputing.com>2017-09-05 11:52:34 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-05 09:47:31 +0200
commit351a522363a1cf11c8dd35c4ca73726bd9a19ab0 (patch)
treed07f6cce673dc60de7590fc443362bdba2f551dd
parent966176739139d0a5c915c6a59d0ab711310f9639 (diff)
iw_cxgb4: remove the stid on listen create failure
commit 8b1bbf36b7452c4acb20e91948eaa5e225ea6978 upstream. If a listen create fails, then the server tid (stid) is incorrectly left in the stid idr table, which can cause a touch-after-free if the stid is looked up and the already freed endpoint is touched. So make sure and remove it in the error path. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 9ad7cd42e9a8..cb80e0cbbc53 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3463,7 +3463,7 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int backlog)
cm_id->provider_data = ep;
goto out;
}
-
+ remove_handle(ep->com.dev, &ep->com.dev->stid_idr, ep->stid);
cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid,
ep->com.local_addr.ss_family);
fail2: