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* [PATCH] p54pci: fix serious sparse warning
@ 2010-04-15 12:17 Christian Lamparter
  0 siblings, 0 replies; only message in thread
From: Christian Lamparter @ 2010-04-15 12:17 UTC (permalink / raw)
  To: linux-wireless; +Cc: linville

This patch fixes a bug which was just recently introduced by
("p54pci: prevent stuck rx-ring on slow system").

make M=drivers/net/wireless/p54 C=2 CF=-D__CHECK_ENDIAN__
  CHECK   drivers/net/wireless/p54/p54pci.c                                                                 
drivers/net/wireless/p54/p54pci.c:143:11: warning: cast to restricted __le32                                
  CC [M]  drivers/net/wireless/p54/p54pci.o

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
---
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 86f3e9a..679da7e 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -140,7 +140,7 @@ static void p54p_refill_rx_ring(struct ieee80211_hw *dev,
 
 	idx = le32_to_cpu(ring_control->host_idx[ring_index]);
 	limit = idx;
-	limit -= le32_to_cpu(index);
+	limit -= index;
 	limit = ring_limit - limit;
 
 	i = idx % ring_limit;

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2010-04-15 12:17 [PATCH] p54pci: fix serious sparse warning Christian Lamparter

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