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)); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/