[][MAC80211][wed][Fix rcu stall issue when triiger wifi ser]

[Description]
Fix rcu stall issue when triiger wifi ser by checking flush

[Release-log]
N/A

Change-Id: I265928eba1c819bfcfc2d8885149477e19b899fb
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7062677
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/3008-mt76-mt7915-wed-drop-scatter-and-gather-frame.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/3008-mt76-mt7915-wed-drop-scatter-and-gather-frame.patch
index 4616fdd..a1c51c0 100644
--- a/autobuild_mac80211_release/package/kernel/mt76/patches/3008-mt76-mt7915-wed-drop-scatter-and-gather-frame.patch
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/3008-mt76-mt7915-wed-drop-scatter-and-gather-frame.patch
@@ -17,7 +17,7 @@
 index 0dce97fb..98d2a29a 100644
 --- a/dma.c
 +++ b/dma.c
-@@ -470,6 +470,15 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
+@@ -478,6 +478,15 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
  
  			*drop = !!(ctrl & (MT_DMA_CTL_TO_HOST_A |
  					   MT_DMA_CTL_DROP));