linux-kernel - RE: [PATCH] net/sunrpc/svc.c: fix sparse warning

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Message-ID: <BD79186B4FD85F4B8E60E381CAEE19090179A5BE@mi8nycmail19.Mi8.com>
Date:	Thu, 14 May 2009 13:25:45 -0400
From:	"H Hartley Sweeten" <hartleys@...ionengravers.com>
To:	"J. Bruce Fields" <bfields@...ldses.org>
Cc:	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] net/sunrpc/svc.c: fix sparse warning

Change any_online_node() from a macro to a static inline function.

any_online_node() uses the symbol 'node', this causes a sparse
warning in net/sunrpc/svc.c.  Changing the macro to a static
inline function removes the sparse warning and will prevent the
same warning from possibly occurring in the future.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>

---

diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 848025c..16df302 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -440,15 +440,6 @@ static inline int num_node_state(enum node_states state)
 #define node_online_map 	node_states[N_ONLINE]
 #define node_possible_map 	node_states[N_POSSIBLE]

-#define any_online_node(mask)			\
-({						\
-	int node;				\
-	for_each_node_mask(node, (mask))	\
-		if (node_online(node))		\
-			break;			\
-	node;					\
-})
-
 #define num_online_nodes()	num_node_state(N_ONLINE)
 #define num_possible_nodes()	num_node_state(N_POSSIBLE)
 #define node_online(node)	node_state((node), N_ONLINE)
@@ -460,4 +451,15 @@ static inline int num_node_state(enum node_states state)
 #define for_each_node(node)	   for_each_node_state(node, N_POSSIBLE)
 #define for_each_online_node(node) for_each_node_state(node, N_ONLINE)

+static inline int any_online_node(nodemask_t mask)
+{
+	int node;
+
+	for_each_node_mask(node, mask) {
+		if (node_online(node))
+			break;
+	}
+	return node;
+}
+
 #endif /* __LINUX_NODEMASK_H */ 
--
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