From 7b9d72c1db5ff9614b7160b8d5f7a7ba37fe8422 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 26 Aug 2020 14:33:30 +0300 Subject: [PATCH] dma-pool: Fix an uninitialized variable bug in atomic_pool_expand() The "page" pointer can be used with out being initialized. Fixes: 009faf37b89d ("dma-pool: Only allocate from CMA when in same memory zone") Signed-off-by: Dan Carpenter Signed-off-by: Christoph Hellwig --- kernel/dma/pool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index 06582b488e317..1281c0f0442bc 100644 --- a/kernel/dma/pool.c +++ b/kernel/dma/pool.c @@ -84,7 +84,7 @@ static int atomic_pool_expand(struct gen_pool *pool, size_t pool_size, gfp_t gfp) { unsigned int order; - struct page *page; + struct page *page = NULL; void *addr; int ret = -ENOMEM; -- 2.39.5