[PATCH 4.9 69/83] sunrpc: correct the computation for page_ptr when truncating

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Frank Sorenson commit 5d7a5bcb67c70cbc904057ef52d3fcfeb24420bb upstream. When truncating the encode buffer, the page_ptr is getting advanced, causing the next page to be skipped while

[PATCH 4.9 69/83] sunrpc: correct the computation for page_ptr when truncating

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Frank Sorenson commit 5d7a5bcb67c70cbc904057ef52d3fcfeb24420bb upstream. When truncating the encode buffer, the page_ptr is getting advanced, causing the next page to be skipped while