diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-07-07 03:56:43 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-07-07 03:56:43 +0000 |
| commit | fb70c35f181fc1df984f31fb69e59bc820158add (patch) | |
| tree | 845e500934af5f8f8295e5b01f5413b4a6252a9b /package/wprobe | |
| parent | 864cae4970dede0db5e6d64de9ea4209e970a06e (diff) | |
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
Diffstat (limited to 'package/wprobe')
| -rw-r--r-- | package/wprobe/src/kernel/wprobe-core.c | 6 |
1 files changed, 5 insertions, 1 deletions
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++) { |