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IB/core: Fix uninitialized variable use in check_qp_port_pkey_settings

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Check the return value from get_pkey_and_subnet_prefix to prevent using
uninitialized variables.

Fixes: d291f1a652 ("IB/core: Enforce PKey security on QPs")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Daniel Jurgens 2017-06-30 17:35:35 +03:00 committed by James Morris
parent b5d0ebc99b
commit 79d0636ac7
1 changed files with 12 additions and 8 deletions
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20
drivers/infiniband/core/security.c
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@ -120,21 +120,25 @@ static int check_qp_port_pkey_settings(struct ib_ports_pkeys *pps,
return 0;
if (pps->main.state != IB_PORT_PKEY_NOT_VALID) {
get_pkey_and_subnet_prefix(&pps->main,
&pkey,
&subnet_prefix);
ret = get_pkey_and_subnet_prefix(&pps->main,
&pkey,
&subnet_prefix);
if (ret)
return ret;
ret = enforce_qp_pkey_security(pkey,
subnet_prefix,
sec);
if (ret)
return ret;
}
if (ret)
return ret;
if (pps->alt.state != IB_PORT_PKEY_NOT_VALID) {
get_pkey_and_subnet_prefix(&pps->alt,
&pkey,
&subnet_prefix);
ret = get_pkey_and_subnet_prefix(&pps->alt,
&pkey,
&subnet_prefix);
if (ret)
return ret;
ret = enforce_qp_pkey_security(pkey,
subnet_prefix,