[S390] qdio: make sure qdr is aligned to page size

kzalloc does not guarantee the required alignment of qdr to page size,
use get_zeroed_page instead.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index d10c73cc1688..d15648514a0f 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1355,7 +1355,7 @@ int qdio_allocate(struct qdio_initialize *init_data)
                 goto out_rel;
 
         /* qdr is used in ccw1.cda which is u32 */
-        irq_ptr->qdr = kzalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA);
+        irq_ptr->qdr = (struct qdr *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
         if (!irq_ptr->qdr)
                 goto out_rel;
         WARN_ON((unsigned long)irq_ptr->qdr & 0xfff);
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index f0923a8aceda..56fdd57ba192 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -325,7 +325,7 @@ void qdio_release_memory(struct qdio_irq *irq_ptr)
                         kmem_cache_free(qdio_q_cache, q);
                 }
         }
-        kfree(irq_ptr->qdr);
+        free_page((unsigned long) irq_ptr->qdr);
         free_page(irq_ptr->chsc_page);
         free_page((unsigned long) irq_ptr);
 }