diff options
Diffstat (limited to 'net/ipv4/cipso_ipv4.c')
-rw-r--r-- | net/ipv4/cipso_ipv4.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 2ae8f54cb321..82178cc69c96 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c | |||
@@ -1951,7 +1951,7 @@ int cipso_v4_req_setattr(struct request_sock *req, | |||
1951 | buf = NULL; | 1951 | buf = NULL; |
1952 | 1952 | ||
1953 | req_inet = inet_rsk(req); | 1953 | req_inet = inet_rsk(req); |
1954 | opt = xchg(&req_inet->opt, opt); | 1954 | opt = xchg((__force struct ip_options_rcu **)&req_inet->ireq_opt, opt); |
1955 | if (opt) | 1955 | if (opt) |
1956 | kfree_rcu(opt, rcu); | 1956 | kfree_rcu(opt, rcu); |
1957 | 1957 | ||
@@ -1973,11 +1973,13 @@ req_setattr_failure: | |||
1973 | * values on failure. | 1973 | * values on failure. |
1974 | * | 1974 | * |
1975 | */ | 1975 | */ |
1976 | static int cipso_v4_delopt(struct ip_options_rcu **opt_ptr) | 1976 | static int cipso_v4_delopt(struct ip_options_rcu __rcu **opt_ptr) |
1977 | { | 1977 | { |
1978 | struct ip_options_rcu *opt = rcu_dereference_protected(*opt_ptr, 1); | ||
1978 | int hdr_delta = 0; | 1979 | int hdr_delta = 0; |
1979 | struct ip_options_rcu *opt = *opt_ptr; | ||
1980 | 1980 | ||
1981 | if (!opt || opt->opt.cipso == 0) | ||
1982 | return 0; | ||
1981 | if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) { | 1983 | if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) { |
1982 | u8 cipso_len; | 1984 | u8 cipso_len; |
1983 | u8 cipso_off; | 1985 | u8 cipso_off; |
@@ -2039,14 +2041,10 @@ static int cipso_v4_delopt(struct ip_options_rcu **opt_ptr) | |||
2039 | */ | 2041 | */ |
2040 | void cipso_v4_sock_delattr(struct sock *sk) | 2042 | void cipso_v4_sock_delattr(struct sock *sk) |
2041 | { | 2043 | { |
2042 | int hdr_delta; | ||
2043 | struct ip_options_rcu *opt; | ||
2044 | struct inet_sock *sk_inet; | 2044 | struct inet_sock *sk_inet; |
2045 | int hdr_delta; | ||
2045 | 2046 | ||
2046 | sk_inet = inet_sk(sk); | 2047 | sk_inet = inet_sk(sk); |
2047 | opt = rcu_dereference_protected(sk_inet->inet_opt, 1); | ||
2048 | if (!opt || opt->opt.cipso == 0) | ||
2049 | return; | ||
2050 | 2048 | ||
2051 | hdr_delta = cipso_v4_delopt(&sk_inet->inet_opt); | 2049 | hdr_delta = cipso_v4_delopt(&sk_inet->inet_opt); |
2052 | if (sk_inet->is_icsk && hdr_delta > 0) { | 2050 | if (sk_inet->is_icsk && hdr_delta > 0) { |
@@ -2066,15 +2064,7 @@ void cipso_v4_sock_delattr(struct sock *sk) | |||
2066 | */ | 2064 | */ |
2067 | void cipso_v4_req_delattr(struct request_sock *req) | 2065 | void cipso_v4_req_delattr(struct request_sock *req) |
2068 | { | 2066 | { |
2069 | struct ip_options_rcu *opt; | 2067 | cipso_v4_delopt(&inet_rsk(req)->ireq_opt); |
2070 | struct inet_request_sock *req_inet; | ||
2071 | |||
2072 | req_inet = inet_rsk(req); | ||
2073 | opt = req_inet->opt; | ||
2074 | if (!opt || opt->opt.cipso == 0) | ||
2075 | return; | ||
2076 | |||
2077 | cipso_v4_delopt(&req_inet->opt); | ||
2078 | } | 2068 | } |
2079 | 2069 | ||
2080 | /** | 2070 | /** |