diff options
Diffstat (limited to 'net/sunrpc/xdr.c')
| -rw-r--r-- | net/sunrpc/xdr.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 62e07c330a66..4e003cb516fe 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -1097,6 +1097,12 @@ out_overflow: * Checks that we have enough buffer space to encode 'nbytes' more * bytes of data. If so, update the total xdr_buf length, and * adjust the length of the current kvec. + * + * The returned pointer is valid only until the next call to + * xdr_reserve_space() or xdr_commit_encode() on @xdr. The current + * implementation of this API guarantees that space reserved for a + * four-byte data item remains valid until @xdr is destroyed, but + * that might not always be true in the future. */ __be32 * xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes) { |