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compat: fix a crash in the netlink backport

PATCH Applied Felix Fietkau 2 participants 2 messages Oct 11, 2010

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Felix Fietkau

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PATCH 1/1 compat: fix a crash in the netlink backport

Do not set the .doit wrapper if there is no .doit function.

Signed-off-by Felix Fietkau <[email protected]>

---

compat/compat-2.6.37.c +2 -1
@@ -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;