[PATCH 4.0 36/72] cdc-acm: prevent infinite loop when parsing CDC headers.

4.0-stable review patch. If anyone has any objections, please let me know. -- From: Quentin Casasnovas commit 0d3bba0287d4e284c3ec7d3397e81eec920d5e7e upstream. Phil and I found out a problem with commit: 7e860a6e7aa6 ("cdc-acm: add sanity checks") It added some sanity

[PATCH 4.0 36/72] cdc-acm: prevent infinite loop when parsing CDC headers.

4.0-stable review patch. If anyone has any objections, please let me know. -- From: Quentin Casasnovas quentin.casasno...@oracle.com commit 0d3bba0287d4e284c3ec7d3397e81eec920d5e7e upstream. Phil and I found out a problem with commit: 7e860a6e7aa6 (cdc-acm: add sanity