bury memcpy_toiovec()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/include/linux/uio.h b/include/linux/uio.h
index bd8569a14c4acadd4df6f82d67d5347504c48e47..a41e252396c0a4d58910858db78a7c6e5e800973 100644 (file)
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -131,7 +131,6 @@ size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_
 size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
 
 int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len);
-int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len);
 int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
                        int offset, int len);
 int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata,

diff --git a/lib/iovec.c b/lib/iovec.c
index df3abd1eaa4a52da47f806ffa7f4d93867366637..2d99cb4a500634b43fad5fe176c4951795b60721 100644 (file)
--- a/lib/iovec.c
+++ b/lib/iovec.c
@@ -27,31 +27,6 @@ int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len)
 }
 EXPORT_SYMBOL(memcpy_fromiovec);
 
-/*
- *     Copy kernel to iovec. Returns -EFAULT on error.
- *
- *     Note: this modifies the original iovec.
- */
-
-int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len)
-{
-       while (len > 0) {
-               if (iov->iov_len) {
-                       int copy = min_t(unsigned int, iov->iov_len, len);
-                       if (copy_to_user(iov->iov_base, kdata, copy))
-                               return -EFAULT;
-                       kdata += copy;
-                       len -= copy;
-                       iov->iov_len -= copy;
-                       iov->iov_base += copy;
-               }
-               iov++;
-       }
-
-       return 0;
-}
-EXPORT_SYMBOL(memcpy_toiovec);
-
 /*
  *     Copy kernel to iovec. Returns -EFAULT on error.
  */