summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_rx.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 9c782a4..baa1c44 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -97,6 +97,11 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num)
}
fail:
+ /*
+ * Make sure the rx buffer is updated before available buffer
+ * index to avoid any potential rx ring corruption.
+ */
+ mb();
*htt->rx_ring.alloc_idx.vaddr = __cpu_to_le32(idx);
return ret;
}
OpenPOWER on IntegriCloud