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authorDavid S. Miller <davem@davemloft.net>2010-09-12 20:56:44 +0200
committerDavid S. Miller <davem@davemloft.net>2010-09-12 20:56:44 +0200
commita505b3b30fc69904f858822a2aa95990a4bf7958 (patch)
tree4ea708f794d8cb91f77d42e32fce5324902cc274 /net/sched
parentMerge branch 'vhost-net' of git://git.kernel.org/pub/scm/linux/kernel/git/mst... (diff)
downloadlinux-a505b3b30fc69904f858822a2aa95990a4bf7958.tar.xz
linux-a505b3b30fc69904f858822a2aa95990a4bf7958.zip
sch_atm: Fix potential NULL deref.
The list_head conversion unearther an unnecessary flow check. Since flow is always NULL here we don't need to see if a matching flow exists already. Reported-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/sch_atm.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 340662789529..6318e1136b83 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -255,10 +255,6 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
error = -EINVAL;
goto err_out;
}
- if (!list_empty(&flow->list)) {
- error = -EEXIST;
- goto err_out;
- }
} else {
int i;
unsigned long cl;