summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2014-11-24 19:45:05 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-12-09 16:29:11 -0500
commit218321e7a0838c2be974539f0a5341b398d4432b (patch)
treef2b6606ee509292bfb98d7427a21f9882b6a945e
parentd3a9632f09153bc46a8077844e05e179f1c10c3f (diff)
downloadblackbird-op-linux-218321e7a0838c2be974539f0a5341b398d4432b.tar.gz
blackbird-op-linux-218321e7a0838c2be974539f0a5341b398d4432b.zip
bury memcpy_toiovec()
no users left Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--include/linux/uio.h1
-rw-r--r--lib/iovec.c25
2 files changed, 0 insertions, 26 deletions
diff --git a/include/linux/uio.h b/include/linux/uio.h
index bd8569a14c4a..a41e252396c0 100644
--- 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 df3abd1eaa4a..2d99cb4a5006 100644
--- a/lib/iovec.c
+++ b/lib/iovec.c
@@ -29,31 +29,6 @@ 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.
*/
int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata,
OpenPOWER on IntegriCloud