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RDMA/core: Check error status of rdma_find_ndev_for_src_ip_rcu

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rdma_find_ndev_for_src_ip_rcu() returns either valid netdev pointer or
ERR_PTR().  Instead of checking for NULL, check for error.

Fixes: caf1e3ae9f ("RDMA/core Introduce and use rdma_find_ndev_for_src_ip_rcu")
Reported-by: syzbot+20c32fa6ff84a2d28c36@syzkaller.appspotmail.com
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-09-21 09:18:24 -05:00 • committed by Jason Gunthorpe
parent 1570346153
commit fe33507ec3
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/addr.c
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@ -513,7 +513,7 @@ static int rdma_set_src_addr_rcu(struct rdma_dev_addr *dev_addr,
* loopback IP address. * loopback IP address.
*/ */
ndev = rdma_find_ndev_for_src_ip_rcu(dev_net(ndev), dst_in); ndev = rdma_find_ndev_for_src_ip_rcu(dev_net(ndev), dst_in);
if (!ndev) if (IS_ERR(ndev))
return -ENODEV; return -ENODEV;
} }