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author | Al Viro <viro@zeniv.linux.org.uk> | 2014-11-24 19:45:05 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-09 16:29:11 -0500 |
commit | 218321e7a0838c2be974539f0a5341b398d4432b (patch) | |
tree | f2b6606ee509292bfb98d7427a21f9882b6a945e /lib | |
parent | d3a9632f09153bc46a8077844e05e179f1c10c3f (diff) |
bury memcpy_toiovec()
no users left
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); | |||
29 | 29 | ||
30 | /* | 30 | /* |
31 | * Copy kernel to iovec. Returns -EFAULT on error. | 31 | * Copy kernel to iovec. Returns -EFAULT on error. |
32 | * | ||
33 | * Note: this modifies the original iovec. | ||
34 | */ | ||
35 | |||
36 | int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len) | ||
37 | { | ||
38 | while (len > 0) { | ||
39 | if (iov->iov_len) { | ||
40 | int copy = min_t(unsigned int, iov->iov_len, len); | ||
41 | if (copy_to_user(iov->iov_base, kdata, copy)) | ||
42 | return -EFAULT; | ||
43 | kdata += copy; | ||
44 | len -= copy; | ||
45 | iov->iov_len -= copy; | ||
46 | iov->iov_base += copy; | ||
47 | } | ||
48 | iov++; | ||
49 | } | ||
50 | |||
51 | return 0; | ||
52 | } | ||
53 | EXPORT_SYMBOL(memcpy_toiovec); | ||
54 | |||
55 | /* | ||
56 | * Copy kernel to iovec. Returns -EFAULT on error. | ||
57 | */ | 32 | */ |
58 | 33 | ||
59 | int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata, | 34 | int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata, |