[IPROUTE2 PATCH][GENETLINK] Multicast computation off by one

[IPROUTE2 PATCH][GENETLINK] Multicast computation off by one

[jamal]

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A small typo fixup
BTW, how do you like the subject to look like?

cheers,
jamal

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[GENL] Multicast computation off by one

When using the first 32 groups, the multicast group to bit mapping
was off by one.

Signed-off-by: Jamal Hadi Salim

---
commit b883bf2396abc0434b3a63d228593cec80808dbb
tree dba2b9664d88d7a4641d11c6284b984a33d2b47a
parent 288384f22ffafd2d7d888ee45d8dfcf26d3f2b1c
author Jamal Hadi Salim <hadi@cyberus.ca> Tue, 05 Dec 2006 14:13:46 -0500
committer Jamal Hadi Salim <hadi@cyberus.ca> Tue, 05 Dec 2006 14:13:46 -0500

 genl/genl_utils.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/genl/genl_utils.h b/genl/genl_utils.h
index 2f2314b..22e9210 100644
--- a/genl/genl_utils.h
+++ b/genl/genl_utils.h
@@ -16,7 +16,7 @@ extern int genl_ctrl_resolve_family(const char *family);
 /* seems to have dissapeared from netlink.h */
 static inline __u32 nl_mgrp(__u32 group)
 {
-	return group ? 1 << group : 0;
+	return group ? (1 << (group -1)) : 0;
 }
 
 #endif