Commit 892fc9f6 authored Aug 26, 2020 by Dan Carpenter Committed by Christoph Hellwig Aug 27, 2020

dma-pool: Fix an uninitialized variable bug in atomic_pool_expand()



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

Fixes: d7e673ec ("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>

parent 15bc20c6

kernel/dma/pool.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

Admin message