if (ret)
return ret;
- src_ring->hw_index =
- ath10k_ce_src_ring_read_index_get(ar, ctrl_addr);
- src_ring->hw_index &= nentries_mask;
+ read_index = ath10k_ce_src_ring_read_index_get(ar, ctrl_addr);
+ if (read_index == 0xffffffff)
+ return -ENODEV;
+
+ read_index &= nentries_mask;
+ src_ring->hw_index = read_index;
ath10k_pci_sleep(ar);
}
read_index = src_ring->hw_index;
- if ((read_index == sw_index) || (read_index == 0xffffffff))
+ if (read_index == sw_index)
return -EIO;
sbase = src_ring->shadow_base;