diff options
Diffstat (limited to 'drivers/base/dmapool.c')
| -rw-r--r-- | drivers/base/dmapool.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index bbbf06643be8..55cdd46f5e50 100644 --- 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; |