Commit 5a7e7026 authored Mar 13, 2020 by Chuck Lever

SUNRPC: Adjust synopsis of xdr_buf_subsegment()



Clean up: This enables xdr_buf_subsegment()'s callers to pass in a
const pointer to that buffer.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

parent e5decb2e

include/linux/sunrpc/xdr.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -183,7 +183,8 @@ xdr_adjust_iovec(struct kvec iov, __be32 p)
		*/
		extern void xdr_shift_buf(struct xdr_buf *, size_t);
		extern void xdr_buf_from_iov(struct kvec , struct xdr_buf );
		extern int xdr_buf_subsegment(struct xdr_buf , struct xdr_buf , unsigned int, unsigned int);
		extern int xdr_buf_subsegment(const struct xdr_buf buf, struct xdr_buf subbuf,
		unsigned int base, unsigned int len);
		extern void xdr_buf_trim(struct xdr_buf *, unsigned int);
		extern int read_bytes_from_xdr_buf(struct xdr_buf , unsigned int, void , unsigned int);
		extern int write_bytes_to_xdr_buf(struct xdr_buf , unsigned int, void , unsigned int);

net/sunrpc/xdr.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1379,8 +1379,7 @@ EXPORT_SYMBOL_GPL(xdr_buf_from_iov);
		*
		* Returns -1 if base of length are out of bounds.
		*/
		int
		xdr_buf_subsegment(struct xdr_buf buf, struct xdr_buf subbuf,
		int xdr_buf_subsegment(const struct xdr_buf buf, struct xdr_buf subbuf,
		unsigned int base, unsigned int len)
		{
		subbuf->buflen = subbuf->len = len;