[PATCH 9/9] ehca: use kvcalloc and kvfree

[Changli Gao]

use kvcalloc and kvfree

use kvcalloc and kvfree, but I haven't test it, as I don't have that machine.

Signed-off-by: Changli Gao <xiao...@gmail.com>
----
 drivers/infiniband/hw/ehca/ipz_pt_fn.c |   22 +++++-----------------
 1 file changed, 5 insertions(+), 17 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c 
b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index 1596e30..f0e7bd4 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -38,8 +38,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <linux/slab.h>
-
 #include "ehca_tools.h"
 #include "ipz_pt_fn.h"
 #include "ehca_classes.h"
@@ -222,15 +220,11 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue 
*queue,
        queue->small_page = NULL;
 
        /* allocate queue page pointers */
-       queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
+       queue->queue_pages = kvcalloc(nr_of_pages, sizeof(void *));
        if (!queue->queue_pages) {
-               queue->queue_pages = vmalloc(nr_of_pages * sizeof(void *));
-               if (!queue->queue_pages) {
-                       ehca_gen_err("Couldn't allocate queue page list");
-                       return 0;
-               }
+               ehca_gen_err("Couldn't allocate queue page list");
+               return 0;
        }
-       memset(queue->queue_pages, 0, nr_of_pages * sizeof(void *));
 
        /* allocate actual queue pages */
        if (is_small) {
@@ -245,10 +239,7 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue 
*queue,
 ipz_queue_ctor_exit0:
        ehca_gen_err("Couldn't alloc pages queue=%p "
                 "nr_of_pages=%x",  queue, nr_of_pages);
-       if (is_vmalloc_addr(queue->queue_pages))
-               vfree(queue->queue_pages);
-       else
-               kfree(queue->queue_pages);
+       kvfree(queue->queue_pages);
 
        return 0;
 }
@@ -270,10 +261,7 @@ int ipz_queue_dtor(struct ehca_pd *pd, struct ipz_queue 
*queue)
                        free_page((unsigned long)queue->queue_pages[i]);
        }
 
-       if (is_vmalloc_addr(queue->queue_pages))
-               vfree(queue->queue_pages);
-       else
-               kfree(queue->queue_pages);
+       kvfree(queue->queue_pages);
 
        return 1;
 }
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