---

yaml --- r: 144597 b: refs/heads/master c: 0b2febf h: refs/heads/master i: 144595: e444a13 v: v3
git-mirror · May 4, 2009 · 6d31beb · 6d31beb
1 parent b4357c3
commit 6d31beb
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Showing 3 changed files with 20 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 379b026ecc20c4657d37e40ead789f7f28f1a1c1
+refs/heads/master: 0b2febf38a33d7c40fb7bb4a58c113a1fa33c412
diff --git a/trunk/drivers/net/ehea/ehea.h b/trunk/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0100"
+#define DRV_VERSION	"EHEA_0101"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1

diff --git a/trunk/drivers/net/ehea/ehea_main.c b/trunk/drivers/net/ehea/ehea_main.c
@@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array,
 	x &= (arr_len - 1);
 
 	pref = skb_array[x];
-	prefetchw(pref);
-	prefetchw(pref + EHEA_CACHE_LINE);
-
-	pref = (skb_array[x]->data);
-	prefetch(pref);
-	prefetch(pref + EHEA_CACHE_LINE);
-	prefetch(pref + EHEA_CACHE_LINE * 2);
-	prefetch(pref + EHEA_CACHE_LINE * 3);
+	if (pref) {
+		prefetchw(pref);
+		prefetchw(pref + EHEA_CACHE_LINE);
+
+		pref = (skb_array[x]->data);
+		prefetch(pref);
+		prefetch(pref + EHEA_CACHE_LINE);
+		prefetch(pref + EHEA_CACHE_LINE * 2);
+		prefetch(pref + EHEA_CACHE_LINE * 3);
+	}
+
 	skb = skb_array[skb_index];
 	skb_array[skb_index] = NULL;
 	return skb;
@@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array,
 	x &= (arr_len - 1);
 
 	pref = skb_array[x];
-	prefetchw(pref);
-	prefetchw(pref + EHEA_CACHE_LINE);
+	if (pref) {
+		prefetchw(pref);
+		prefetchw(pref + EHEA_CACHE_LINE);
 
-	pref = (skb_array[x]->data);
-	prefetchw(pref);
-	prefetchw(pref + EHEA_CACHE_LINE);
+		pref = (skb_array[x]->data);
+		prefetchw(pref);
+		prefetchw(pref + EHEA_CACHE_LINE);
+	}
 
 	skb = skb_array[wqe_index];
 	skb_array[wqe_index] = NULL;