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authorAllan Stephens <allan.stephens@windriver.com>2011-05-23 13:47:44 -0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2011-06-24 16:18:15 -0400
commitacc631bf6f597b36f3f014e12e69c710da610027 (patch)
tree2dbdf526d8fdeb52acd857fdf62507d7ea3a22da /net/tipc/port.c
parent7ae4738e9e46a2f88e5d1332b7397bb96c527c44 (diff)
downloadop-kernel-dev-acc631bf6f597b36f3f014e12e69c710da610027.zip
op-kernel-dev-acc631bf6f597b36f3f014e12e69c710da610027.tar.gz
tipc: Standardize exit logic for message rejection handling
Modifies the routine that handles the rejection of payload messages so that it has a single exit point that frees up the rejected message, thereby eliminating some duplicated code. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'net/tipc/port.c')
-rw-r--r--net/tipc/port.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c
index c68dc95..3946b5b 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -367,10 +367,8 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
imp++;
/* discard rejected message if it shouldn't be returned to sender */
- if (msg_errcode(msg) || msg_dest_droppable(msg)) {
- buf_discard(buf);
- return data_sz;
- }
+ if (msg_errcode(msg) || msg_dest_droppable(msg))
+ goto exit;
/* construct rejected message */
if (msg_mcast(msg))
@@ -378,10 +376,9 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
else
hdr_sz = LONG_H_SIZE;
rbuf = tipc_buf_acquire(data_sz + hdr_sz);
- if (rbuf == NULL) {
- buf_discard(buf);
- return data_sz;
- }
+ if (rbuf == NULL)
+ goto exit;
+
rmsg = buf_msg(rbuf);
tipc_msg_init(rmsg, imp, msg_type(msg), hdr_sz, msg_orignode(msg));
msg_set_errcode(rmsg, err);
@@ -411,9 +408,11 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
tipc_net_route_msg(abuf);
}
- /* send rejected message */
- buf_discard(buf);
+ /* send returned message & dispose of rejected message */
+
tipc_net_route_msg(rbuf);
+exit:
+ buf_discard(buf);
return data_sz;
}
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