[PATCH 4.14 097/146] s390/qeth: fix error handling in checksum cmd callback

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Julian Wiedmann [ Upstream commit ad3cbf61332914711e5f506972b1dc9af8d62146 ] Make sure to check both return code fields before processing the response. Otherwise we

[PATCH 4.14 097/146] s390/qeth: fix error handling in checksum cmd callback

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Julian Wiedmann [ Upstream commit ad3cbf61332914711e5f506972b1dc9af8d62146 ] Make sure to check both return code fields before processing the response. Otherwise we risk operating on invalid