45 static int check_match(struct net *net, struct em_ipt_match *im, int mdata_len)  in check_match()  argument
55 	mtpar.hook_mask	= 1 << im->hook;  in check_match()
56 	mtpar.family	= im->match->family;  in check_match()
57 	mtpar.match	= im->match;  in check_match()
59 	mtpar.matchinfo	= (void *)im->match_data;  in check_match()
119 	struct em_ipt_match *im = NULL;  in em_ipt_change()  local
139 	im = kzalloc(sizeof(*im) + mdata_len, GFP_KERNEL);  in em_ipt_change()
140 	if (!im) {  in em_ipt_change()
145 	im->match = match;  in em_ipt_change()
146 	im->hook = nla_get_u32(tb[TCA_EM_IPT_HOOK]);  in em_ipt_change()
147 	nla_memcpy(im->match_data, tb[TCA_EM_IPT_MATCH_DATA], mdata_len);  in em_ipt_change()
149 	ret = check_match(net, im, mdata_len);  in em_ipt_change()
153 	em->datalen = sizeof(*im) + mdata_len;  in em_ipt_change()
154 	em->data = (unsigned long)im;  in em_ipt_change()
158 	kfree(im);  in em_ipt_change()
165 	struct em_ipt_match *im = (void *)em->data;  in em_ipt_destroy()  local
167 	if (!im)  in em_ipt_destroy()
170 	if (im->match->destroy) {  in em_ipt_destroy()
173 			.match = im->match,  in em_ipt_destroy()
174 			.matchinfo = im->match_data,  in em_ipt_destroy()
175 			.family = im->match->family  in em_ipt_destroy()
177 		im->match->destroy(&par);  in em_ipt_destroy()
179 	module_put(im->match->me);  in em_ipt_destroy()
180 	kfree((void *)im);  in em_ipt_destroy()
186 	const struct em_ipt_match *im = (const void *)em->data;  in em_ipt_match()  local
197 	nf_hook_state_init(&state, im->hook, im->match->family,  in em_ipt_match()
200 	acpar.match = im->match;  in em_ipt_match()
201 	acpar.matchinfo = im->match_data;  in em_ipt_match()
204 	ret = im->match->match(skb, &acpar);  in em_ipt_match()
212 	struct em_ipt_match *im = (void *)em->data;  in em_ipt_dump()  local
214 	if (nla_put_string(skb, TCA_EM_IPT_MATCH_NAME, im->match->name) < 0)  in em_ipt_dump()
216 	if (nla_put_u32(skb, TCA_EM_IPT_HOOK, im->hook) < 0)  in em_ipt_dump()
218 	if (nla_put_u8(skb, TCA_EM_IPT_MATCH_REVISION, im->match->revision) < 0)  in em_ipt_dump()
220 	if (nla_put_u8(skb, TCA_EM_IPT_NFPROTO, im->match->family) < 0)  in em_ipt_dump()
223 		    im->match->usersize ?: im->match->matchsize,  in em_ipt_dump()
224 		    im->match_data) < 0)  in em_ipt_dump()