diff options
-rw-r--r-- | net/dccp/options.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/net/dccp/options.c b/net/dccp/options.c index 7ad2f4266ff9..34b230a00875 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c | |||
@@ -72,6 +72,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb) | |||
72 | struct dccp_options_received *opt_recv = &dp->dccps_options_received; | 72 | struct dccp_options_received *opt_recv = &dp->dccps_options_received; |
73 | unsigned char opt, len; | 73 | unsigned char opt, len; |
74 | unsigned char *value; | 74 | unsigned char *value; |
75 | u32 elapsed_time; | ||
75 | 76 | ||
76 | memset(opt_recv, 0, sizeof(*opt_recv)); | 77 | memset(opt_recv, 0, sizeof(*opt_recv)); |
77 | 78 | ||
@@ -159,18 +160,18 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb) | |||
159 | (unsigned long long) | 160 | (unsigned long long) |
160 | DCCP_SKB_CB(skb)->dccpd_ack_seq); | 161 | DCCP_SKB_CB(skb)->dccpd_ack_seq); |
161 | 162 | ||
162 | if (len > 4) { | ||
163 | if (len == 6) | ||
164 | opt_recv->dccpor_elapsed_time = | ||
165 | ntohs(*(u16 *)(value + 4)); | ||
166 | else | ||
167 | opt_recv->dccpor_elapsed_time = | ||
168 | ntohl(*(u32 *)(value + 4)); | ||
169 | 163 | ||
170 | dccp_pr_debug("%sTIMESTAMP_ECHO ELAPSED_TIME=%d\n", | 164 | if (len == 4) |
171 | debug_prefix, | 165 | break; |
172 | opt_recv->dccpor_elapsed_time); | 166 | |
173 | } | 167 | if (len == 6) |
168 | elapsed_time = ntohs(*(u16 *)(value + 4)); | ||
169 | else | ||
170 | elapsed_time = ntohl(*(u32 *)(value + 4)); | ||
171 | |||
172 | /* Give precedence to the biggest ELAPSED_TIME */ | ||
173 | if (elapsed_time > opt_recv->dccpor_elapsed_time) | ||
174 | opt_recv->dccpor_elapsed_time = elapsed_time; | ||
174 | break; | 175 | break; |
175 | case DCCPO_ELAPSED_TIME: | 176 | case DCCPO_ELAPSED_TIME: |
176 | if (len != 2 && len != 4) | 177 | if (len != 2 && len != 4) |
@@ -180,14 +181,15 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb) | |||
180 | continue; | 181 | continue; |
181 | 182 | ||
182 | if (len == 2) | 183 | if (len == 2) |
183 | opt_recv->dccpor_elapsed_time = | 184 | elapsed_time = ntohs(*(u16 *)value); |
184 | ntohs(*(u16 *)value); | ||
185 | else | 185 | else |
186 | opt_recv->dccpor_elapsed_time = | 186 | elapsed_time = ntohl(*(u32 *)value); |
187 | ntohl(*(u32 *)value); | 187 | |
188 | if (elapsed_time > opt_recv->dccpor_elapsed_time) | ||
189 | opt_recv->dccpor_elapsed_time = elapsed_time; | ||
188 | 190 | ||
189 | dccp_pr_debug("%sELAPSED_TIME=%d\n", debug_prefix, | 191 | dccp_pr_debug("%sELAPSED_TIME=%d\n", debug_prefix, |
190 | opt_recv->dccpor_elapsed_time); | 192 | elapsed_time); |
191 | break; | 193 | break; |
192 | /* | 194 | /* |
193 | * From draft-ietf-dccp-spec-11.txt: | 195 | * From draft-ietf-dccp-spec-11.txt: |