diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-08-26 14:33:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-03 11:29:52 +0200 |
| commit | a34b7526320e5559de993ec7174eefc28a7505cc (patch) | |
| tree | 55ec3aa15fb7f0b0e063e8ccc9efe020864e737a | |
| parent | f880d69b28101a050a2cd1290f9e4191434da1b4 (diff) | |
dma-pool: Fix an uninitialized variable bug in atomic_pool_expand()
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>
| -rw-r--r-- | kernel/dma/pool.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index 06582b488e31..1281c0f0442b 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; |