[PATCH 4.14 075/146] s390/qeth: lock IP table while applying takeover changes

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Julian Wiedmann [ Upstream commit 8a03a3692b100d84785ee7a834e9215e304c9e00 ] Modifying the flags of an IP addr object needs to be protected against eg. concurrent

[PATCH 4.14 075/146] s390/qeth: lock IP table while applying takeover changes

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Julian Wiedmann [ Upstream commit 8a03a3692b100d84785ee7a834e9215e304c9e00 ] Modifying the flags of an IP addr object needs to be protected against eg. concurrent removal of the same object