Messages in this thread Patch in this message | | | Date | Wed, 22 Aug 2007 10:03:02 -0700 | From | "Paul E. McKenney" <> | Subject | Re: net/ipv4/fib_trie.c - compile error (Re: 2.6.23-rc3-mm1) |
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On Wed, Aug 22, 2007 at 05:41:11PM +0200, Adrian Bunk wrote: > On Wed, Aug 22, 2007 at 05:30:13PM +0200, Gabriel C wrote: > > Got it with a randconfig ( http://194.231.229.228/kernel/mm/2.6.23-rc3-mm1/r/randconfig-8 ) > > > > ... > > > > net/ipv4/fib_trie.c: In function 'trie_rebalance': > > net/ipv4/fib_trie.c:969: error: lvalue required as unary '&' operand > > net/ipv4/fib_trie.c:971: error: lvalue required as unary '&' operand > > net/ipv4/fib_trie.c:977: error: lvalue required as unary '&' operand > > net/ipv4/fib_trie.c:980: error: lvalue required as unary '&' operand > >... > > Side effect of the git-net removal, temporarily removing > immunize-rcu_dereference-against-crazy-compiler-writers.patch should > work around it.
Alternatively, the following one-line patch to net/ipv4/fib_trie.c could be used.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> ---
fib_trie.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff -urpNa -X dontdiff linux-2.6.23-rc3-mm1/net/ipv4/fib_trie.c linux-2.6.23-rc3-mm1.compile/net/ipv4/fib_trie.c --- linux-2.6.23-rc3-mm1/net/ipv4/fib_trie.c 2007-08-22 09:20:33.000000000 -0700 +++ linux-2.6.23-rc3-mm1.compile/net/ipv4/fib_trie.c 2007-08-22 09:47:33.000000000 -0700 @@ -94,7 +94,7 @@ typedef unsigned int t_key; #define T_LEAF 1 #define NODE_TYPE_MASK 0x1UL #define NODE_PARENT(node) \ - ((struct tnode *)rcu_dereference(((node)->parent & ~NODE_TYPE_MASK))) + ((struct tnode *)(rcu_dereference((node)->parent) & ~NODE_TYPE_MASK)) #define NODE_TYPE(node) ((node)->parent & NODE_TYPE_MASK) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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