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authorPatrick McHardy <kaber@trash.net>2008-07-16 20:51:47 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-16 20:51:47 -0700
commit51ce7ec92187b22ab1598987bb5f9776f6e0ebad (patch)
tree7617a6e5bfa58e4969c5a7f5ff5688a3129dbdee /net/802
parent9a6d276e85aa3d8f308fc5e8de6892daeb60ae5f (diff)
downloadlinux-2.6.34-ux500-51ce7ec92187b22ab1598987bb5f9776f6e0ebad.tar.gz
garp: retry sending JoinIn messages after allocation failures
Increase reliability by retrying to send JoinIn messages after memory allocation failures on each TRANSMIT_PDU event until it succeeds. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/802')
-rw-r--r--net/802/garp.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/802/garp.c b/net/802/garp.c
index 3b78f7b74fd..1dcb0660c49 100644
--- a/net/802/garp.c
+++ b/net/802/garp.c
@@ -323,7 +323,10 @@ static void garp_attr_event(struct garp_applicant *app,
case GARP_ACTION_NONE:
break;
case GARP_ACTION_S_JOIN_IN:
- garp_pdu_append_attr(app, attr, GARP_JOIN_IN);
+ /* When appending the attribute fails, don't update state in
+ * order to retry on next TRANSMIT_PDU event. */
+ if (garp_pdu_append_attr(app, attr, GARP_JOIN_IN) < 0)
+ return;
break;
case GARP_ACTION_S_LEAVE_EMPTY:
garp_pdu_append_attr(app, attr, GARP_LEAVE_EMPTY);