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| author | Jarek Poplawski <jarkao2@gmail.com> | 2009-09-15 23:42:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-15 23:42:05 -0700 |
| commit | 7c64b9f3f584008000cf3b960f25cd6a68fce191 (patch) | |
| tree | 2c19bff73b434b12f50304c97758a01751df9aaa /net | |
| parent | 926e61b7c44db83013159ac2f74bccd451607b5a (diff) | |
| download | lwn-7c64b9f3f584008000cf3b960f25cd6a68fce191.tar.gz lwn-7c64b9f3f584008000cf3b960f25cd6a68fce191.zip | |
pkt_sched: Fix qdisc_create on stab error handling
If qdisc_get_stab returns error in qdisc_create there is skipped qdisc
ops->destroy, which is necessary because it's after ops->init at the
moment, so memory leaks are quite probable.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_api.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 1367aa21fad5..903e4188b6ca 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -809,7 +809,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, stab = qdisc_get_stab(tca[TCA_STAB]); if (IS_ERR(stab)) { err = PTR_ERR(stab); - goto err_out3; + goto err_out4; } sch->stab = stab; } @@ -838,7 +838,6 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, return sch; } err_out3: - qdisc_put_stab(sch->stab); dev_put(dev); kfree((char *) sch - sch->padded); err_out2: @@ -852,6 +851,7 @@ err_out4: * Any broken qdiscs that would require a ops->reset() here? * The qdisc was never in action so it shouldn't be necessary. */ + qdisc_put_stab(sch->stab); if (ops->destroy) ops->destroy(sch); goto err_out3; |