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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2021-07-07 01:19:43 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2021-07-07 01:19:43 +0200
commitd900385139e5aa8d584dee92c87bb85d0226253e (patch)
tree26aa082f242221c535f2d8aa03b0c314c713e8ea /net/sched/cls_tcindex.c
parent56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff)
parent200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff)
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'net/sched/cls_tcindex.c')
-rw-r--r--net/sched/cls_tcindex.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 755e9ff40fca..3d891b11c077 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -273,9 +273,13 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
if (tb[TCA_TCINDEX_MASK])
cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]);
- if (tb[TCA_TCINDEX_SHIFT])
+ if (tb[TCA_TCINDEX_SHIFT]) {
cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]);
-
+ if (cp->shift > 16) {
+ err = -EINVAL;
+ goto errout;
+ }
+ }
if (!cp->hash) {
/* Hash not specified, use perfect hash if the upper limit
* of the hashing index is below the threshold.