VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / drivers / base / dmapool.c

diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c
index bbbf066..55cdd46 100644 (file)
--- a/drivers/base/dmapool.c
+++ b/drivers/base/dmapool.c
@@ -110,7 +110,7 @@ dma_pool_create (const char *name, struct device *dev,
        if (align == 0)
                align = 1;
        if (size == 0)
-               return 0;
+               return NULL;
        else if (size < align)
                size = align;
        else if ((size % align) != 0) {
@@ -125,7 +125,7 @@ dma_pool_create (const char *name, struct device *dev,
                        allocation = PAGE_SIZE;
                // FIXME: round up for less fragmentation
        } else if (allocation < size)
-               return 0;
+               return NULL;
 
        if (!(retval = kmalloc (sizeof *retval, SLAB_KERNEL)))
                return retval;
@@ -167,7 +167,7 @@ pool_alloc_page (struct dma_pool *pool, int mem_flags)
 
        page = (struct dma_page *) kmalloc (mapsize + sizeof *page, mem_flags);
        if (!page)
-               return 0;
+               return NULL;
        page->vaddr = dma_alloc_coherent (pool->dev,
                                            pool->allocation,
                                            &page->dma,
@@ -181,7 +181,7 @@ pool_alloc_page (struct dma_pool *pool, int mem_flags)
                page->in_use = 0;
        } else {
                kfree (page);
-               page = 0;
+               page = NULL;
        }
        return page;
 }
@@ -302,7 +302,7 @@ restart:
                        remove_wait_queue (&pool->waitq, &wait);
                        goto restart;
                }
-               retval = 0;
+               retval = NULL;
                goto done;
        }
 
@@ -334,7 +334,7 @@ pool_find_page (struct dma_pool *pool, dma_addr_t dma)
                if (dma < (page->dma + pool->allocation))
                        goto done;
        }
-       page = 0;
+       page = NULL;
 done:
        spin_unlock_irqrestore (&pool->lock, flags);
        return page;