[PATCH 5.8 254/255] dma-pool: Fix an uninitialized variable bug in atomic_pool_expand()

[Greg Kroah-Hartman]

From: Dan Carpenter <dan.carpen...@oracle.com>

commit 892fc9f6835ecf075efac20789b012c5c9997fcc upstream.

The "page" pointer can be used with out being initialized.

Fixes: d7e673ec2c8e ("dma-pool: Only allocate from CMA when in same memory 
zone")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Christoph Hellwig <h...@lst.de>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 kernel/dma/pool.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -84,7 +84,7 @@ static int atomic_pool_expand(struct gen
                              gfp_t gfp)
 {
        unsigned int order;
-       struct page *page;
+       struct page *page = NULL;
        void *addr;
        int ret = -ENOMEM;