devres: fix possible use after free

[~andy/linux] / mm / dmapool.c

diff --git a/mm/dmapool.c b/mm/dmapool.c
index 03bf3bb4519a997b8a74c59732cc0feba66af80b..fbb58e3468887e27c34b7500beb628ceedebac69 100644 (file)
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -500,7 +500,7 @@ void dmam_pool_destroy(struct dma_pool *pool)
 {
        struct device *dev = pool->dev;
 
-       dma_pool_destroy(pool);
        WARN_ON(devres_destroy(dev, dmam_pool_release, dmam_pool_match, pool));
+       dma_pool_destroy(pool);
 }
 EXPORT_SYMBOL(dmam_pool_destroy);