patch-1.3.25 linux/net/core/iovec.c

• Lines: 20
• Date: Thu Sep 7 17:11:46 1995
• Orig file: v1.3.24/linux/net/core/iovec.c
• Orig date: Thu Sep 7 17:17:20 1995

diff -u --recursive --new-file v1.3.24/linux/net/core/iovec.c linux/net/core/iovec.c
@@ -50,12 +50,16 @@
 	
 	for(ct=0;ct<m->msg_iovlen;ct++)
 	{
-		err=verify_area(mode, m->msg_iov[ct].iov_base, m->msg_iov[ct].iov_len);
+		err=verify_area(VERIFY_READ, &m->msg_iov[ct], sizeof(struct iovec));
 		if(err)
 			return err;
-		len+=m->msg_iov[ct].iov_len;
+		memcpy_fromfs(&iov[ct], &m->msg_iov[ct], sizeof(struct iovec));
+		err=verify_area(mode, iov[ct].iov_base, iov[ct].iov_len);
+		if(err)
+			return err;
+		len+=iov[ct].iov_len;
 	}
-	
+	m->msg_iov=&iov[0];
 	return len;
 }