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-rw-r--r--net/tipc/subscr.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index ff123e56114a..ab6eab4c45e2 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -274,7 +274,7 @@ static void subscr_cancel(struct tipc_subscr *s,
274{ 274{
275 struct subscription *sub; 275 struct subscription *sub;
276 struct subscription *sub_temp; 276 struct subscription *sub_temp;
277 __u32 type, lower, upper; 277 __u32 type, lower, upper, timeout, filter;
278 int found = 0; 278 int found = 0;
279 279
280 /* Find first matching subscription, exit if not found */ 280 /* Find first matching subscription, exit if not found */
@@ -282,12 +282,18 @@ static void subscr_cancel(struct tipc_subscr *s,
282 type = ntohl(s->seq.type); 282 type = ntohl(s->seq.type);
283 lower = ntohl(s->seq.lower); 283 lower = ntohl(s->seq.lower);
284 upper = ntohl(s->seq.upper); 284 upper = ntohl(s->seq.upper);
285 timeout = ntohl(s->timeout);
286 filter = ntohl(s->filter) & ~TIPC_SUB_CANCEL;
285 287
286 list_for_each_entry_safe(sub, sub_temp, &subscriber->subscription_list, 288 list_for_each_entry_safe(sub, sub_temp, &subscriber->subscription_list,
287 subscription_list) { 289 subscription_list) {
288 if ((type == sub->seq.type) && 290 if ((type == sub->seq.type) &&
289 (lower == sub->seq.lower) && 291 (lower == sub->seq.lower) &&
290 (upper == sub->seq.upper)) { 292 (upper == sub->seq.upper) &&
293 (timeout == sub->timeout) &&
294 (filter == sub->filter) &&
295 !memcmp(s->usr_handle,sub->evt.s.usr_handle,
296 sizeof(s->usr_handle)) ){
291 found = 1; 297 found = 1;
292 break; 298 break;
293 } 299 }
@@ -304,7 +310,7 @@ static void subscr_cancel(struct tipc_subscr *s,
304 k_term_timer(&sub->timer); 310 k_term_timer(&sub->timer);
305 spin_lock_bh(subscriber->lock); 311 spin_lock_bh(subscriber->lock);
306 } 312 }
307 dbg("Cancel: removing sub %u,%u,%u from subscriber %x list\n", 313 dbg("Cancel: removing sub %u,%u,%u from subscriber %p list\n",
308 sub->seq.type, sub->seq.lower, sub->seq.upper, subscriber); 314 sub->seq.type, sub->seq.lower, sub->seq.upper, subscriber);
309 subscr_del(sub); 315 subscr_del(sub);
310} 316}
@@ -352,8 +358,7 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
352 sub->seq.upper = ntohl(s->seq.upper); 358 sub->seq.upper = ntohl(s->seq.upper);
353 sub->timeout = ntohl(s->timeout); 359 sub->timeout = ntohl(s->timeout);
354 sub->filter = ntohl(s->filter); 360 sub->filter = ntohl(s->filter);
355 if ((!(sub->filter & TIPC_SUB_PORTS) == 361 if ((sub->filter && (sub->filter != TIPC_SUB_PORTS)) ||
356 !(sub->filter & TIPC_SUB_SERVICE)) ||
357 (sub->seq.lower > sub->seq.upper)) { 362 (sub->seq.lower > sub->seq.upper)) {
358 warn("Subscription rejected, illegal request\n"); 363 warn("Subscription rejected, illegal request\n");
359 kfree(sub); 364 kfree(sub);