linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] RDMA/qedr: fix potential use after free
@ 2019-11-06  6:23 Pan Bian
  2019-11-06  8:48 ` [EXT] " Michal Kalderon
  2019-11-14 15:53 ` Jason Gunthorpe
  0 siblings, 2 replies; 3+ messages in thread
From: Pan Bian @ 2019-11-06  6:23 UTC (permalink / raw)
  To: Michal Kalderon, Ariel Elior, Doug Ledford, Jason Gunthorpe
  Cc: linux-rdma, linux-kernel, Pan Bian

Move the release operation after error log to avoid possible use after
free.

Signed-off-by: Pan Bian <bianpan2016@163.com>
---
 drivers/infiniband/hw/qedr/qedr_iw_cm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
index 22881d4442b9..eedc32b72ff2 100644
--- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
@@ -451,10 +451,10 @@ qedr_addr6_resolve(struct qedr_dev *dev,
 
 	if ((!dst) || dst->error) {
 		if (dst) {
-			dst_release(dst);
 			DP_ERR(dev,
 			       "ip6_route_output returned dst->error = %d\n",
 			       dst->error);
+			dst_release(dst);
 		}
 		return -EINVAL;
 	}
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-11-14 15:53 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-06  6:23 [PATCH] RDMA/qedr: fix potential use after free Pan Bian
2019-11-06  8:48 ` [EXT] " Michal Kalderon
2019-11-14 15:53 ` Jason Gunthorpe

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).