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[net-next,16/16] tipc: Ensure network address change doesn't impact configuration service

Message ID 1334955924-907-17-git-send-email-paul.gortmaker@windriver.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Paul Gortmaker April 20, 2012, 9:05 p.m. UTC 
From: Allan Stephens <allan.stephens@windriver.com>

Enhances command validation done by TIPC's configuration service so
that it works properly even if the node's network address is changed in
mid-operation. The default node address of <0.0.0> is now recognized as an
alias for "this node" even after a new network address has been assigned.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 net/tipc/config.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/tipc/config.c b/net/tipc/config.c
index f76d3b1..f5458ed 100644
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -290,7 +290,7 @@  struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
 
 	/* Check command authorization */
 
-	if (likely(orig_node == tipc_own_addr)) {
+	if (likely(in_own_node(orig_node))) {
 		/* command is permitted */
 	} else if (cmd >= 0x8000) {
 		rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED