netfilter: xt_limit: fix invalid return code in limit_mt_check()

[Patrick McHardy <kaber@trash.net>]

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This patch fixes an invalid return value in the limit match.
Please apply or pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6.git master

Thanks!

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commit 8fa539bd911e8a7faa7cd77b5192229c9666d9b8
Author: Patrick McHardy <kaber@trash.net>
Date:   Mon Nov 23 13:37:23 2009 +0100

    netfilter: xt_limit: fix invalid return code in limit_mt_check()
    
    Commit acc738fe (netfilter: xtables: avoid pointer to self) introduced
    an invalid return value in limit_mt_check().
    
    Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 2e8089e..2773be6 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -112,7 +112,7 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
 
 	priv = kmalloc(sizeof(*priv), GFP_KERNEL);
 	if (priv == NULL)
-		return -ENOMEM;
+		return false;
 
 	/* For SMP, we only want to use one set of state. */
 	r->master = priv;