Merge branch 'fix/hda' into for-linus

[pandora-kernel.git] / drivers / infiniband / hw / ehca / ehca_pd.c

diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c
index c85312a..351577a 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_pd.c
+++ b/drivers/infiniband/hw/ehca/ehca_pd.c
@@ -38,7 +38,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <asm/current.h>
+#include <linux/slab.h>
 
 #include "ehca_tools.h"
 #include "ehca_iverbs.h"
@@ -49,6 +49,7 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
                            struct ib_ucontext *context, struct ib_udata *udata)
 {
        struct ehca_pd *pd;
+       int i;
 
        pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
        if (!pd) {
@@ -57,7 +58,11 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
                return ERR_PTR(-ENOMEM);
        }
 
-       pd->ownpid = current->tgid;
+       for (i = 0; i < 2; i++) {
+               INIT_LIST_HEAD(&pd->free[i]);
+               INIT_LIST_HEAD(&pd->full[i]);
+       }
+       mutex_init(&pd->lock);
 
        /*
         * Kernel PD: when device = -1, 0
@@ -79,18 +84,24 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
 
 int ehca_dealloc_pd(struct ib_pd *pd)
 {
-       u32 cur_pid = current->tgid;
        struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
+       int i, leftovers = 0;
+       struct ipz_small_queue_page *page, *tmp;
 
-       if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
-           my_pd->ownpid != cur_pid) {
-               ehca_err(pd->device, "Invalid caller pid=%x ownpid=%x",
-                        cur_pid, my_pd->ownpid);
-               return -EINVAL;
+       for (i = 0; i < 2; i++) {
+               list_splice(&my_pd->full[i], &my_pd->free[i]);
+               list_for_each_entry_safe(page, tmp, &my_pd->free[i], list) {
+                       leftovers = 1;
+                       free_page(page->page);
+                       kmem_cache_free(small_qp_cache, page);
+               }
        }
 
-       kmem_cache_free(pd_cache,
-                       container_of(pd, struct ehca_pd, ib_pd));
+       if (leftovers)
+               ehca_warn(pd->device,
+                         "Some small queue pages were not freed");
+
+       kmem_cache_free(pd_cache, my_pd);
 
        return 0;
 }