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authorStephen Hemminger <shemminger@vyatta.com>2008-11-25 21:13:31 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-25 21:13:31 -0800
commit71bcb09a57894fa35591ce93dd972065eeecb63a (patch)
tree50ca8a43125f0aa89f1444928a209420754a79f3 /net/sched/sch_api.c
parent0e991ec6a0340916d3f29bd5dcb35299069e7226 (diff)
tc: check for errors in gen_rate_estimator creation
The functions gen_new_estimator and gen_replace_estimator can return errors, but they were being ignored. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 3fcfd4ef11d1..f859dd5fabf4 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -880,9 +880,12 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
sch->stab = stab;
if (tca[TCA_RATE])
+ /* NB: ignores errors from replace_estimator
+ because change can't be undone. */
gen_replace_estimator(&sch->bstats, &sch->rate_est,
- qdisc_root_sleeping_lock(sch),
- tca[TCA_RATE]);
+ qdisc_root_sleeping_lock(sch),
+ tca[TCA_RATE]);
+
return 0;
}