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net: Fix memcpy_toiovecend() to use the right offset

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Increment the iovec base by the offset passed in for the initial
copy_to_user() in memcpy_to_iovecend().

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sridhar Samudrala 2009-06-05 09:35:44 +00:00 committed by David S. Miller
parent d2d27bfd11
commit 2faef52b72
1 changed files with 2 additions and 2 deletions
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4
net/core/iovec.c
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@ -112,9 +112,9 @@ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata,
continue; continue;
} }
copy = min_t(unsigned int, iov->iov_len - offset, len); copy = min_t(unsigned int, iov->iov_len - offset, len);
offset = 0; if (copy_to_user(iov->iov_base + offset, kdata, copy))
if (copy_to_user(iov->iov_base, kdata, copy))
return -EFAULT; return -EFAULT;
offset = 0;
kdata += copy; kdata += copy;
len -= copy; len -= copy;
} }