From fb70c35f181fc1df984f31fb69e59bc820158add Mon Sep 17 00:00:00 2001 From: nbd Date: Tue, 7 Jul 2009 03:56:43 +0000 Subject: [PATCH] wprobe: the bpf code expects direct-access fields to be in big endian, not cpu endian git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16733 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/wprobe/src/kernel/wprobe-core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/package/wprobe/src/kernel/wprobe-core.c b/package/wprobe/src/kernel/wprobe-core.c index f9dd282d5..ed224577e 100644 --- a/package/wprobe/src/kernel/wprobe-core.c +++ b/package/wprobe/src/kernel/wprobe-core.c @@ -203,6 +203,7 @@ wprobe_get_dev(struct nlattr *attr) int wprobe_add_frame(struct wprobe_iface *dev, const struct wprobe_wlan_hdr *hdr, void *data, int len) { + struct wprobe_wlan_hdr *new_hdr; struct wprobe_filter *f; struct sk_buff *skb; unsigned long flags; @@ -221,7 +222,10 @@ wprobe_add_frame(struct wprobe_iface *dev, const struct wprobe_wlan_hdr *hdr, vo if (len + skb->len > WPROBE_MAX_FRAME_SIZE) len = WPROBE_MAX_FRAME_SIZE - skb->len; - memcpy(skb_put(skb, f->hdrlen), hdr, sizeof(struct wprobe_wlan_hdr)); + new_hdr = (struct wprobe_wlan_hdr *) skb_put(skb, f->hdrlen); + memcpy(new_hdr, hdr, sizeof(struct wprobe_wlan_hdr)); + new_hdr->len = cpu_to_be16(new_hdr->len); + memcpy(skb_put(skb, len), data, len); for(i = 0; i < f->n_groups; i++) { -- 2.20.1