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authorChuck Lever2020-03-11 11:21:12 -0400
committerTrond Myklebust2020-03-16 10:18:45 -0400
commit8d6bda7f23a9b3ef1d7e386f01924c37f18fe771 (patch)
treee41fe0976dcf4e576c424a36402e180c94980beb /net/sunrpc
parent4047aa909c4a40fceebc36fff708d465a4d3c6e2 (diff)
SUNRPC: Remove xdr_buf_read_mic()
Clean up: this function is no longer used. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xdr.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index e5497dc2475b..15b58c5144f9 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1235,61 +1235,6 @@ xdr_encode_word(struct xdr_buf *buf, unsigned int base, u32 obj)
}
EXPORT_SYMBOL_GPL(xdr_encode_word);
-/**
- * xdr_buf_read_mic() - obtain the address of the GSS mic from xdr buf
- * @buf: pointer to buffer containing a mic
- * @mic: on success, returns the address of the mic
- * @offset: the offset in buf where mic may be found
- *
- * This function may modify the xdr buf if the mic is found to be straddling
- * a boundary between head, pages, and tail. On success the mic can be read
- * from the address returned. There is no need to free the mic.
- *
- * Return: Success returns 0, otherwise an integer error.
- */
-int xdr_buf_read_mic(struct xdr_buf *buf, struct xdr_netobj *mic, unsigned int offset)
-{
- struct xdr_buf subbuf;
- unsigned int boundary;
-
- if (xdr_decode_word(buf, offset, &mic->len))
- return -EFAULT;
- offset += 4;
-
- /* Is the mic partially in the head? */
- boundary = buf->head[0].iov_len;
- if (offset < boundary && (offset + mic->len) > boundary)
- xdr_shift_buf(buf, boundary - offset);
-
- /* Is the mic partially in the pages? */
- boundary += buf->page_len;
- if (offset < boundary && (offset + mic->len) > boundary)
- xdr_shrink_pagelen(buf, boundary - offset);
-
- if (xdr_buf_subsegment(buf, &subbuf, offset, mic->len))
- return -EFAULT;
-
- /* Is the mic contained entirely in the head? */
- mic->data = subbuf.head[0].iov_base;
- if (subbuf.head[0].iov_len == mic->len)
- return 0;
- /* ..or is the mic contained entirely in the tail? */
- mic->data = subbuf.tail[0].iov_base;
- if (subbuf.tail[0].iov_len == mic->len)
- return 0;
-
- /* Find a contiguous area in @buf to hold all of @mic */
- if (mic->len > buf->buflen - buf->len)
- return -ENOMEM;
- if (buf->tail[0].iov_len != 0)
- mic->data = buf->tail[0].iov_base + buf->tail[0].iov_len;
- else
- mic->data = buf->head[0].iov_base + buf->head[0].iov_len;
- __read_bytes_from_xdr_buf(&subbuf, mic->data, mic->len);
- return 0;
-}
-EXPORT_SYMBOL_GPL(xdr_buf_read_mic);
-
/* Returns 0 on success, or else a negative error code. */
static int
xdr_xcode_array2(struct xdr_buf *buf, unsigned int base,