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-rw-r--r--mm/dmapool.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/mm/dmapool.c b/mm/dmapool.c
index c69781e97cf9..306baa594f95 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -170,24 +170,16 @@ struct dma_pool *dma_pool_create(const char *name, struct device *dev,
retval->boundary = boundary;
retval->allocation = allocation;
- if (dev) {
- int ret;
+ INIT_LIST_HEAD(&retval->pools);
- mutex_lock(&pools_lock);
- if (list_empty(&dev->dma_pools))
- ret = device_create_file(dev, &dev_attr_pools);
- else
- ret = 0;
- /* note: not currently insisting "name" be unique */
- if (!ret)
- list_add(&retval->pools, &dev->dma_pools);
- else {
- kfree(retval);
- retval = NULL;
- }
- mutex_unlock(&pools_lock);
+ mutex_lock(&pools_lock);
+ if (list_empty(&dev->dma_pools) &&
+ device_create_file(dev, &dev_attr_pools)) {
+ kfree(retval);
+ return NULL;
} else
- INIT_LIST_HEAD(&retval->pools);
+ list_add(&retval->pools, &dev->dma_pools);
+ mutex_unlock(&pools_lock);
return retval;
}
@@ -341,10 +333,10 @@ void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
continue;
if (pool->dev)
dev_err(pool->dev,
- "dma_pool_alloc %s, %p (corruped)\n",
+ "dma_pool_alloc %s, %p (corrupted)\n",
pool->name, retval);
else
- pr_err("dma_pool_alloc %s, %p (corruped)\n",
+ pr_err("dma_pool_alloc %s, %p (corrupted)\n",
pool->name, retval);
/*
@@ -508,7 +500,6 @@ void dmam_pool_destroy(struct dma_pool *pool)
{
struct device *dev = pool->dev;
- WARN_ON(devres_destroy(dev, dmam_pool_release, dmam_pool_match, pool));
- dma_pool_destroy(pool);
+ WARN_ON(devres_release(dev, dmam_pool_release, dmam_pool_match, pool));
}
EXPORT_SYMBOL(dmam_pool_destroy);