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RDMA/qedr: Fix potential use after free

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[ 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.com
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>
This commit is contained in:
Pan Bian 2019-11-06 14:23:54 +08:00 committed by Greg Kroah-Hartman
parent 04f4f09502
commit f3ebf81ee6
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/qedr/qedr_iw_cm.c
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@ -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;
}