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Commit 2faef52b authored by Sridhar Samudrala's avatar Sridhar Samudrala Committed by David S. Miller
Browse files

net: Fix memcpy_toiovecend() to use the right offset 



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

Signed-off-by: default avatarSridhar Samudrala <sri@us.ibm.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d2d27bfd

net/core/iovec.c

+2 −2
Original line number Diff line number Diff line
@@ -112,9 +112,9 @@ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata, 
			continue;

		}

		copy = min_t(unsigned int, iov->iov_len - offset, len);

		offset = 0;

		if (copy_to_user(iov->iov_base, kdata, copy))

		if (copy_to_user(iov->iov_base + offset, kdata, copy))

			return -EFAULT;

		offset = 0;

		kdata += copy;

		len -= copy;

	}