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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-25 13:11:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-25 13:11:52 +0200 |
| commit | 346e2e4a8b47089f4319f114ec9ac3a95b5f0ac8 (patch) | |
| tree | 0e824d68b72969127abcad85e82b468ed4e23237 /net/sched/sch_choke.c | |
| parent | 5caf6ae5ce880ec15448b310e47a9515ebb7e808 (diff) | |
| parent | 4f0eb5d7efe375859b15c97f453113a242bf057b (diff) | |
Merge tag 'phy-for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
Adds 3 new PHY drivers stih407, stih41x and rcar gen2 PHY. It also
includes miscellaneous cleanup of other PHY drivers.
Conflicts:
MAINTAINERS
Diffstat (limited to 'net/sched/sch_choke.c')
| -rw-r--r-- | net/sched/sch_choke.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index ed30e436128..fb666d1e4de 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -133,10 +133,16 @@ static void choke_drop_by_idx(struct Qdisc *sch, unsigned int idx) --sch->q.qlen; } +/* private part of skb->cb[] that a qdisc is allowed to use + * is limited to QDISC_CB_PRIV_LEN bytes. + * As a flow key might be too large, we store a part of it only. + */ +#define CHOKE_K_LEN min_t(u32, sizeof(struct flow_keys), QDISC_CB_PRIV_LEN - 3) + struct choke_skb_cb { u16 classid; u8 keys_valid; - struct flow_keys keys; + u8 keys[QDISC_CB_PRIV_LEN - 3]; }; static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb) @@ -163,22 +169,26 @@ static u16 choke_get_classid(const struct sk_buff *skb) static bool choke_match_flow(struct sk_buff *skb1, struct sk_buff *skb2) { + struct flow_keys temp; + if (skb1->protocol != skb2->protocol) return false; if (!choke_skb_cb(skb1)->keys_valid) { choke_skb_cb(skb1)->keys_valid = 1; - skb_flow_dissect(skb1, &choke_skb_cb(skb1)->keys); + skb_flow_dissect(skb1, &temp); + memcpy(&choke_skb_cb(skb1)->keys, &temp, CHOKE_K_LEN); } if (!choke_skb_cb(skb2)->keys_valid) { choke_skb_cb(skb2)->keys_valid = 1; - skb_flow_dissect(skb2, &choke_skb_cb(skb2)->keys); + skb_flow_dissect(skb2, &temp); + memcpy(&choke_skb_cb(skb2)->keys, &temp, CHOKE_K_LEN); } return !memcmp(&choke_skb_cb(skb1)->keys, &choke_skb_cb(skb2)->keys, - sizeof(struct flow_keys)); + CHOKE_K_LEN); } /* |