diff options
| author |   Sean Hefty <sean.hefty@intel.com> | 2005-04-16 15:26:08 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:26:08 -0700 |
| commit | 24239aff4e25cba2d068b2c6b8e739257351c15d (patch) | |
| tree | 3c2946978bf4a13687030e11944b1cefb2f5c442 /drivers/infiniband | |
| parent | [PATCH] IPoIB: document conversion to debugfs (diff) | |
| download | linux-dev-24239aff4e25cba2d068b2c6b8e739257351c15d.tar.xz linux-dev-24239aff4e25cba2d068b2c6b8e739257351c15d.zip | |
[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 <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/mad.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/mad_priv.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 4ec7fff29b5d..9ed7d42b82a7 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1600,7 +1600,8 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, 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; diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index 4ba9f726bf1d..008cbcb94b15 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -69,6 +69,7 @@ struct ib_mad_list_head { 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)); |