X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fsocket.h;h=a5c7d96e4d2e12172e892b3eb3a3b806e2fa2ca9;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=b3aef7bf13806f1ba624207dc6c2a6e0d805fcd3;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/linux/socket.h b/include/linux/socket.h
index b3aef7bf1..a5c7d96e4 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -90,6 +90,10 @@ struct cmsghdr {
 				  (struct cmsghdr *)(ctl) : \
 				  (struct cmsghdr *)NULL)
 #define CMSG_FIRSTHDR(msg)	__CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
+#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
+			     (cmsg)->cmsg_len <= (unsigned long) \
+			     ((mhdr)->msg_controllen - \
+			      ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
 
 /*
  *	This mess will go away with glibc
@@ -116,7 +120,7 @@ struct cmsghdr {
  *	Now it always returns valid, not truncated ancillary object
  *	HEADER. But caller still MUST check, that cmsg->cmsg_len is
  *	inside range, given by msg->msg_controllen before using
- *	ansillary object DATA.				--ANK (980731)
+ *	ancillary object DATA.				--ANK (980731)
  */
  
 __KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
@@ -282,7 +286,6 @@ extern int csum_partial_copy_fromiovecend(unsigned char *kdata,
 
 extern int verify_iovec(struct msghdr *m, struct iovec *iov, char *address, int mode);
 extern int memcpy_toiovec(struct iovec *v, unsigned char *kdata, int len);
-extern void memcpy_tokerneliovec(struct iovec *iov, unsigned char *kdata, int len);
 extern int move_addr_to_user(void *kaddr, int klen, void __user *uaddr, int __user *ulen);
 extern int move_addr_to_kernel(void __user *uaddr, int ulen, void *kaddr);
 extern int put_cmsg(struct msghdr*, int level, int type, int len, void *data);