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-rw-r--r--net/sched/sch_api.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 2b935e7cfe7b..281c1bded1f6 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -291,17 +291,18 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *ta
291{ 291{
292 struct qdisc_rate_table *rtab; 292 struct qdisc_rate_table *rtab;
293 293
294 if (tab == NULL || r->rate == 0 || r->cell_log == 0 ||
295 nla_len(tab) != TC_RTAB_SIZE)
296 return NULL;
297
294 for (rtab = qdisc_rtab_list; rtab; rtab = rtab->next) { 298 for (rtab = qdisc_rtab_list; rtab; rtab = rtab->next) {
295 if (memcmp(&rtab->rate, r, sizeof(struct tc_ratespec)) == 0) { 299 if (!memcmp(&rtab->rate, r, sizeof(struct tc_ratespec)) &&
300 !memcmp(&rtab->data, nla_data(tab), 1024)) {
296 rtab->refcnt++; 301 rtab->refcnt++;
297 return rtab; 302 return rtab;
298 } 303 }
299 } 304 }
300 305
301 if (tab == NULL || r->rate == 0 || r->cell_log == 0 ||
302 nla_len(tab) != TC_RTAB_SIZE)
303 return NULL;
304
305 rtab = kmalloc(sizeof(*rtab), GFP_KERNEL); 306 rtab = kmalloc(sizeof(*rtab), GFP_KERNEL);
306 if (rtab) { 307 if (rtab) {
307 rtab->rate = *r; 308 rtab->rate = *r;