[PATCH AUTOSEL 4.9 13/48] iwlwifi: pcie: avoid empty free RB queue

From: Shaul Triebitz [ Upstream commit 868a1e863f95183f00809363fefba6d4f5bcd116 ] If all free RB queues are empty, the driver will never restock the free RB queue. That's because the restocking happens in the Rx flow, and if the free queue is empty there will be no Rx. Although there's a

[PATCH AUTOSEL 4.9 13/48] iwlwifi: pcie: avoid empty free RB queue

From: Shaul Triebitz [ Upstream commit 868a1e863f95183f00809363fefba6d4f5bcd116 ] If all free RB queues are empty, the driver will never restock the free RB queue. That's because the restocking happens in the Rx flow, and if the free queue is empty there will be no Rx. Although there's a