[PATCH 3.19.y-ckt 115/164] fs/pipe.c: return error code rather than 0 in pipe_write()

3.19.8-ckt11 -stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 6ae08069939f17422835448acae76bda8d96b16a upstream. pipe_write() would return 0 if it failed to merge the beginning of the data to write with the last, partially

[PATCH 3.19.y-ckt 115/164] fs/pipe.c: return error code rather than 0 in pipe_write()

3.19.8-ckt11 -stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 6ae08069939f17422835448acae76bda8d96b16a upstream. pipe_write() would return 0 if it failed to merge the beginning of the data to write with