[PATCH 55/81] pktgen: correctly handle failures when adding a device

3.5.7.6 -stable review patch. If anyone has any objections, please let me know. -- From: Cong Wang commit 604dfd6efc9b79bce432f2394791708d8e8f6efc upstream. The return value of pktgen_add_device() is not checked, so even if we fail to add some device, for example, non-exist

[PATCH 55/81] pktgen: correctly handle failures when adding a device

3.5.7.6 -stable review patch. If anyone has any objections, please let me know. -- From: Cong Wang amw...@redhat.com commit 604dfd6efc9b79bce432f2394791708d8e8f6efc upstream. The return value of pktgen_add_device() is not checked, so even if we fail to add some device, for