tree ea36d425400c09f3edbeff8fca833fc9bf34ace3
parent 5a72aac00fcd1412d7f3cea1214c5eae3f10566e
author Sean Hefty <[EMAIL PROTECTED]> Tue Apr 12 08:26:35 2005
committer Linus Torvalds <[EMAIL PROTECTED]> Tue Apr 12 08:26:35 2005
[PATCH] IB: Keep MAD work completion valid
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]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
mad.c | 3 ++-
mad_priv.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
Index: drivers/infiniband/core/mad.c
===================================================================
--- 53d2c4f149faec8bc6e4b0b5140a645b8c157f01/drivers/infiniband/core/mad.c
(mode:100644 sha1:2de257982351b0e9030fb4a0d383d2bf7ba88287)
+++ ea36d425400c09f3edbeff8fca833fc9bf34ace3/drivers/infiniband/core/mad.c
(mode:100644 sha1:7d453a65af83c891631317a73863fb7fef3a525e)
@@ -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;
Index: drivers/infiniband/core/mad_priv.h
===================================================================
--- 53d2c4f149faec8bc6e4b0b5140a645b8c157f01/drivers/infiniband/core/mad_priv.h
(mode:100644 sha1:62dd1592d4ab7c1891f437e90dd27788a537187e)
+++ ea36d425400c09f3edbeff8fca833fc9bf34ace3/drivers/infiniband/core/mad_priv.h
(mode:100644 sha1:dfb689851285ab9770204d780663b83036746439)
@@ -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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