ath9k: fix an uninitialized variable warning

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32734 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch b/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
index b8280f6..606eb1c 100644 (file)
--- a/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
+++ b/package/mac80211/patches/576-ath9k_rx_dma_stop_check.patch
@@ -1,15 +1,28 @@
 --- a/drivers/net/wireless/ath/ath9k/mac.c
 +++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -718,6 +718,12 @@ bool ath9k_hw_stopdmarecv(struct ath_hw 
-               udelay(AH_TIME_QUANTUM);
+@@ -689,7 +689,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw 
+ {
+ #define AH_RX_STOP_DMA_TIMEOUT 10000   /* usec */
+       struct ath_common *common = ath9k_hw_common(ah);
+-      u32 mac_status, last_mac_status = 0;
++      u32 mac_status = 0, last_mac_status = 0;
+       int i;
+ 
+       /* Enable access to the DMA observation bus */
+@@ -719,6 +719,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw 
        }
  
-+      if (!AR_SREV_9300_20_OR_LATER(ah) && (mac_status & 0x700) == 0) {
-+              /* DMA is idle but the MAC is still stuck processing events */
-+              *reset = true;
-+              return true;
-+      }
-+
        if (i == 0) {
++              if (!AR_SREV_9300_20_OR_LATER(ah) &&
++                  (mac_status & 0x700) == 0) {
++                      /*
++                       * DMA is idle but the MAC is still stuck
++                       * processing events
++                       */
++                      *reset = true;
++                      return true;
++              }
++
                ath_err(common,
                        "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
+                       AH_RX_STOP_DMA_TIMEOUT / 1000,