aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--mm/dmapool.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/mm/dmapool.c b/mm/dmapool.c
index 8058fcd7ae91..a3a1bfe91110 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,
170 retval->boundary = boundary; 170 retval->boundary = boundary;
171 retval->allocation = allocation; 171 retval->allocation = allocation;
172 172
173 if (dev) { 173 INIT_LIST_HEAD(&retval->pools);
174 int ret;
175 174
176 mutex_lock(&pools_lock); 175 mutex_lock(&pools_lock);
177 if (list_empty(&dev->dma_pools)) 176 if (list_empty(&dev->dma_pools) &&
178 ret = device_create_file(dev, &dev_attr_pools); 177 device_create_file(dev, &dev_attr_pools)) {
179 else 178 kfree(retval);
180 ret = 0; 179 return NULL;
181 /* note: not currently insisting "name" be unique */
182 if (!ret)
183 list_add(&retval->pools, &dev->dma_pools);
184 else {
185 kfree(retval);
186 retval = NULL;
187 }
188 mutex_unlock(&pools_lock);
189 } else 180 } else
190 INIT_LIST_HEAD(&retval->pools); 181 list_add(&retval->pools, &dev->dma_pools);
182 mutex_unlock(&pools_lock);
191 183
192 return retval; 184 return retval;
193} 185}