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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-11-25 03:45:05 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-10 00:29:11 +0300 |
| commit | 218321e7a0838c2be974539f0a5341b398d4432b (patch) | |
| tree | f2b6606ee509292bfb98d7427a21f9882b6a945e /lib | |
| parent | d3a9632f09153bc46a8077844e05e179f1c10c3f (diff) | |
| download | linux-218321e7a0838c2be974539f0a5341b398d4432b.tar.xz | |
bury memcpy_toiovec()
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iovec.c | 25 |
1 files changed, 0 insertions, 25 deletions
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, |