[openib-general] [PATCH] ib_mad: Fix ib_free_recv_mad

[Hal Rosenstock]

ib_mad: Fix ib_free_recv_mad

Index: ib_mad.c
===================================================================
--- ib_mad.c    (revision 901)
+++ ib_mad.c    (working copy)
@@ -394,8 +394,12 @@
 void ib_free_recv_mad(struct ib_mad_recv_wc *mad_recv_wc)
 {
        struct ib_mad_recv_buf *entry;
-       struct ib_mad_private *buffer = (struct ib_mad_private
*)mad_recv_wc;
+       struct ib_mad_private_header *mad_priv_hdr;
+       struct ib_mad_private *buffer;
 
+       mad_priv_hdr = container_of(mad_recv_wc, struct
ib_mad_private_header, r
ecv_wc);
+       buffer = container_of(mad_priv_hdr, struct ib_mad_private,
header);
+
        /*
         * Walk receive buffer list associated with this WC
         * No need to remove them from list of receive buffers
@@ -403,7 +407,8 @@
        list_for_each_entry(entry, &mad_recv_wc->recv_buf->list, list) {
                /* Free previous receive buffer */
                kmem_cache_free(ib_mad_cache, buffer);
-               buffer = (void *)entry - sizeof(struct
ib_mad_private_header);
+               mad_priv_hdr = container_of(entry, struct
ib_mad_private_header,
 recv_buf);
+               buffer = container_of(mad_priv_hdr, struct
ib_mad_private, heade
r);
        }
        /* Free last buffer */
        kmem_cache_free(ib_mad_cache, buffer);
@@ -768,7 +773,7 @@
        recv->header.recv_wc.recv_buf = &recv->header.recv_buf;
 
        /* Setup MAD receive buffer */
-       recv->header.recv_buf.list.next = NULL; /* Until RMPP
implemented !!! */
+       INIT_LIST_HEAD(&recv->header.recv_buf.list); /* More for RMPP!!!
*/
        recv->header.recv_buf.mad = (struct ib_mad *)&recv->mad;
        if (wc->wc_flags & IB_WC_GRH) {
                recv->header.recv_buf.grh = &recv->grh;