From: Felix Fietkau Date: Tue, 7 Jul 2009 03:56:43 +0000 (+0000) Subject: wprobe: the bpf code expects direct-access fields to be in big endian, not cpu endian X-Git-Tag: reboot~23028 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=daaf02e41627ed98062865af2220a9e84c430dbf;p=oweals%2Fopenwrt.git wprobe: the bpf code expects direct-access fields to be in big endian, not cpu endian SVN-Revision: 16733 --- diff --git a/package/wprobe/src/kernel/wprobe-core.c b/package/wprobe/src/kernel/wprobe-core.c index f9dd282d55..ed224577ee 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++) {