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	Mon, 11 Oct 2010 07:46:38 -0400
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Date: Mon, 11 Oct 2010 13:46:35 +0200
From: Felix Fietkau <nbd@openwrt.org>
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To: linux-wireless <linux-wireless@vger.kernel.org>
CC: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Subject: [PATCH] compat: fix a crash in the netlink backport
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Do not set the .doit wrapper if there is no .doit function.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
--- a/compat/compat-2.6.37.c
+++ b/compat/compat-2.6.37.c
@@ -130,7 +130,8 @@ int compat_genl_register_family_with_ops
 		__copy(dumpit);
 		__copy(done);
 #undef __copy
-		ops[i].ops.doit = nl_doit_wrapper;
+		if (ops[i].doit)
+			ops[i].ops.doit = nl_doit_wrapper;
 		ret = genl_register_ops(&family->family, &ops[i].ops);
 		if (ret < 0)
 			goto error_ops;