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authorDavid S. Miller <davem@davemloft.net>2021-04-26 12:00:00 -0700
committerDavid S. Miller <davem@davemloft.net>2021-04-26 12:00:00 -0700
commit6876a18d3361e1893187970e1881a1d88d894d3f (patch)
treec79dfb4843b82d9346cae1dce68d9b1cfece1715 /net/sched/sch_taprio.c
parentMerge branch 'bnxt_en-next' (diff)
parentbnxt_en: Fix RX consumer index logic in the error path. (diff)
downloadlinux-dev-6876a18d3361e1893187970e1881a1d88d894d3f.tar.xz
linux-dev-6876a18d3361e1893187970e1881a1d88d894d3f.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'net/sched/sch_taprio.c')
-rw-r--r--net/sched/sch_taprio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index 922ed6b91abb..5c91df52b8c2 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -945,6 +945,12 @@ static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb,
list_for_each_entry(entry, &new->entries, list)
cycle = ktime_add_ns(cycle, entry->interval);
+
+ if (!cycle) {
+ NL_SET_ERR_MSG(extack, "'cycle_time' can never be 0");
+ return -EINVAL;
+ }
+
new->cycle_time = cycle;
}