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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:57:53 +0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:57:53 +0400 |
commit | 8095e4e81b4bc38eef7e0be99f9ecc744eaa1683 (patch) | |
tree | d3b5100db11784093e78513f3429022569b4bf7b /net/core/iovec.c | |
parent | 6b5f146535fe6969aeded9f00b0bc42b3783f7fd (diff) | |
parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
download | linux-8095e4e81b4bc38eef7e0be99f9ecc744eaa1683.tar.xz |
Merge 3.10-rc3 into tty-next
We want these fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/iovec.c')
-rw-r--r-- | net/core/iovec.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/net/core/iovec.c b/net/core/iovec.c index 7e7aeb01de45..de178e462682 100644 --- a/net/core/iovec.c +++ b/net/core/iovec.c @@ -75,31 +75,6 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a /* * 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, @@ -125,31 +100,6 @@ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata, EXPORT_SYMBOL(memcpy_toiovecend); /* - * Copy iovec to kernel. Returns -EFAULT on error. - * - * Note: this modifies the original iovec. - */ - -int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len) -{ - while (len > 0) { - if (iov->iov_len) { - int copy = min_t(unsigned int, len, iov->iov_len); - if (copy_from_user(kdata, iov->iov_base, copy)) - return -EFAULT; - len -= copy; - kdata += copy; - iov->iov_base += copy; - iov->iov_len -= copy; - } - iov++; - } - - return 0; -} -EXPORT_SYMBOL(memcpy_fromiovec); - -/* * Copy iovec from kernel. Returns -EFAULT on error. */ |