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

From: Dan Carpenter dan.carpenter@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.carpenter@oracle.com Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Greg Kroah-Hartman gregkh@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;