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-rw-r--r--drivers/connector/connector.c30
1 files changed, 4 insertions, 26 deletions
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index edf1349c4e1f..37976dcf044b 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -182,33 +182,14 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v
182} 182}
183 183
184/* 184/*
185 * Skb receive helper - checks skb and msg size and calls callback
186 * helper.
187 */
188static int __cn_rx_skb(struct sk_buff *skb, struct nlmsghdr *nlh)
189{
190 u32 pid, uid, seq, group;
191 struct cn_msg *msg;
192
193 pid = NETLINK_CREDS(skb)->pid;
194 uid = NETLINK_CREDS(skb)->uid;
195 seq = nlh->nlmsg_seq;
196 group = NETLINK_CB((skb)).dst_group;
197 msg = NLMSG_DATA(nlh);
198
199 return cn_call_callback(msg, (void (*)(void *))kfree_skb, skb);
200}
201
202/*
203 * Main netlink receiving function. 185 * Main netlink receiving function.
204 * 186 *
205 * It checks skb and netlink header sizes and calls the skb receive 187 * It checks skb, netlink header and msg sizes, and calls callback helper.
206 * helper with a shared skb.
207 */ 188 */
208static void cn_rx_skb(struct sk_buff *__skb) 189static void cn_rx_skb(struct sk_buff *__skb)
209{ 190{
191 struct cn_msg *msg;
210 struct nlmsghdr *nlh; 192 struct nlmsghdr *nlh;
211 u32 len;
212 int err; 193 int err;
213 struct sk_buff *skb; 194 struct sk_buff *skb;
214 195
@@ -224,11 +205,8 @@ static void cn_rx_skb(struct sk_buff *__skb)
224 return; 205 return;
225 } 206 }
226 207
227 len = NLMSG_ALIGN(nlh->nlmsg_len); 208 msg = NLMSG_DATA(nlh);
228 if (len > skb->len) 209 err = cn_call_callback(msg, (void (*)(void *))kfree_skb, skb);
229 len = skb->len;
230
231 err = __cn_rx_skb(skb, nlh);
232 if (err < 0) 210 if (err < 0)
233 kfree_skb(skb); 211 kfree_skb(skb);
234 } 212 }