From: Sean Hefty <[email protected]>
Replace the *wc field in ib_mad_recv_wc from pointing to a structure
on the stack to one allocated with the received MAD buffer. This
allows a client to access the *wc field after their receive completion
handler has returned.
Signed-off-by: Sean Hefty <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
--- linux-export.orig/drivers/infiniband/core/mad.c 2005-03-31 19:07:01.000000000 -0800
+++ linux-export/drivers/infiniband/core/mad.c 2005-04-01 10:08:54.939957801 -0800
@@ -1600,7 +1600,8 @@
DMA_FROM_DEVICE);
/* Setup MAD receive work completion from "normal" work completion */
- recv->header.recv_wc.wc = wc;
+ recv->header.wc = *wc;
+ recv->header.recv_wc.wc = &recv->header.wc;
recv->header.recv_wc.mad_len = sizeof(struct ib_mad);
recv->header.recv_wc.recv_buf.mad = &recv->mad.mad;
recv->header.recv_wc.recv_buf.grh = &recv->grh;
--- linux-export.orig/drivers/infiniband/core/mad_priv.h 2005-03-31 19:07:14.000000000 -0800
+++ linux-export/drivers/infiniband/core/mad_priv.h 2005-04-01 10:08:54.961953027 -0800
@@ -69,6 +69,7 @@
struct ib_mad_private_header {
struct ib_mad_list_head mad_list;
struct ib_mad_recv_wc recv_wc;
+ struct ib_wc wc;
DECLARE_PCI_UNMAP_ADDR(mapping)
} __attribute__ ((packed));
-
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