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(parent: 3501d05) | patch
sch_fq_codel: avoid double free on init failure
authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Wed, 30 Aug 2017 09:49:02 +0000 (12:49 +0300)
committerDavid S. Miller <davem@davemloft.net>
Wed, 30 Aug 2017 22:26:11 +0000 (15:26 -0700)
commit30c31d746d0eb458ae327f522bc8e4c44cbea0f0
treed8f6e8f11ab3ec40b0e0a43575429f0dc8695e3ctree | snapshot (tar.gz zip)
parent3501d059921246ff617b43e86250a719c140bd97commit | diff
sch_fq_codel: avoid double free on init failure

It is very unlikely to happen but the backlogs memory allocation
could fail and will free q->flows, but then ->destroy() will free
q->flows too. For correctness remove the first free and let ->destroy
clean up.

Fixes: 87b60cfacf9f ("net_sched: fix error recovery at qdisc creation")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_fq_codel.c diff | blob | blame | history