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-rw-r--r--net/core/iovec.c38
1 files changed, 0 insertions, 38 deletions
diff --git a/net/core/iovec.c b/net/core/iovec.c
index 86beeea61d72..dcbe98b3726a 100644
--- a/net/core/iovec.c
+++ b/net/core/iovec.c
@@ -28,44 +28,6 @@
#include <net/sock.h>
/*
- * Verify iovec. The caller must ensure that the iovec is big enough
- * to hold the message iovec.
- *
- * Save time not doing access_ok. copy_*_user will make this work
- * in any case.
- */
-
-int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *address, int mode)
-{
- struct iovec *res;
- int err;
-
- if (m->msg_name && m->msg_namelen) {
- if (mode == WRITE) {
- void __user *namep = (void __user __force *)m->msg_name;
- int err = move_addr_to_kernel(namep, m->msg_namelen,
- address);
- if (err < 0)
- return err;
- }
- m->msg_name = address;
- } else {
- m->msg_name = NULL;
- m->msg_namelen = 0;
- }
- if (m->msg_iovlen > UIO_MAXIOV)
- return -EMSGSIZE;
-
- err = rw_copy_check_uvector(mode, (void __user __force *)m->msg_iov,
- m->msg_iovlen, UIO_FASTIOV, iov, &res);
- if (err >= 0)
- m->msg_iov = res;
- else if (res != iov)
- kfree(res);
- return err;
-}
-
-/*
* And now for the all-in-one: copy and checksum from a user iovec
* directly to a datagram
* Calls to csum_partial but the last must be in 32 bit chunks