[PATCH 4.9 103/111] mei: bus: type promotion bug in mei_nfc_if_version()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit b40b3e9358fbafff6a4ba0f4b9658f6617146f9c upstream. We accidentally removed the check for negative returns without considering the issue of type promotion. The

[PATCH 4.9 103/111] mei: bus: type promotion bug in mei_nfc_if_version()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit b40b3e9358fbafff6a4ba0f4b9658f6617146f9c upstream. We accidentally removed the check for negative returns without considering the issue of type promotion. The