From: Pan Bian bianpan2016@163.com
[ Upstream commit 960657b732e1ce21b07be5ab48a7ad3913d72ba4 ]
Move the release operation after error log to avoid possible use after free.
Link: https://lore.kernel.org/r/1573021434-18768-1-git-send-email-bianpan2016@163.... Signed-off-by: Pan Bian bianpan2016@163.com Acked-by: Michal Kalderon michal.kalderon@marvell.com Reviewed-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 a7a926b7b5628..6dea49e11f5f0 100644 --- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c @@ -490,10 +490,10 @@ 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; }