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IB/mad: Fix address handle leak in mad_rmpp 

The address handle associated with dual-sided RMPP direction switch
ACKs is never destroyed.  Free the AH for ACKs which fall into this
category.

Problem was reported by Dotan Barak <dotanb@dev.mellanox.co.il>.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Sean Hefty 2007-07-31 15:10:54 -07:00 committed by Roland Dreier
parent 8fc394b197
commit 38d5af9565
1 changed files with 4 additions and 4 deletions
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8
drivers/infiniband/core/mad_rmpp.c
View File

@ -163,8 +163,10 @@ static struct ib_mad_send_buf *alloc_response_msg(struct ib_mad_agent *agent,
hdr_len, 0, GFP_KERNEL); hdr_len, 0, GFP_KERNEL);
if (IS_ERR(msg)) if (IS_ERR(msg))
ib_destroy_ah(ah); ib_destroy_ah(ah);
else else {
msg->ah = ah; msg->ah = ah;
msg->context[0] = ah;
}
return msg; return msg;
} }
@ -197,9 +199,7 @@ static void ack_ds_ack(struct ib_mad_agent_private *agent,
void ib_rmpp_send_handler(struct ib_mad_send_wc *mad_send_wc) void ib_rmpp_send_handler(struct ib_mad_send_wc *mad_send_wc)
{ {
struct ib_rmpp_mad *rmpp_mad = mad_send_wc->send_buf->mad; if (mad_send_wc->send_buf->context[0] == mad_send_wc->send_buf->ah)
if (rmpp_mad->rmpp_hdr.rmpp_type != IB_MGMT_RMPP_TYPE_ACK)
ib_destroy_ah(mad_send_wc->send_buf->ah); ib_destroy_ah(mad_send_wc->send_buf->ah);
ib_free_send_mad(mad_send_wc->send_buf); ib_free_send_mad(mad_send_wc->send_buf);
} }