diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-06-26 14:27:08 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 14:32:44 -0300 |
| commit | 1e240e8d4a7d92232b6214e02a0a4197a53afd6c (patch) | |
| tree | 79627ced555b058e23eedd971352ee51918e5dcd /tools/testing/nvdimm | |
| parent | memremap: validate the pagemap type passed to devm_memremap_pages (diff) | |
| download | linux-dev-1e240e8d4a7d92232b6214e02a0a4197a53afd6c.tar.xz linux-dev-1e240e8d4a7d92232b6214e02a0a4197a53afd6c.zip | |
memremap: move dev_pagemap callbacks into a separate structure
The dev_pagemap is a growing too many callbacks. Move them into a
separate ops structure so that they are not duplicated for multiple
instances, and an attacker can't easily overwrite them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'tools/testing/nvdimm')
| -rw-r--r-- | tools/testing/nvdimm/test/iomap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index 076df22e4bda..cf3f064a697d 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -100,9 +100,10 @@ static void nfit_test_kill(void *_pgmap) { struct dev_pagemap *pgmap = _pgmap; - WARN_ON(!pgmap || !pgmap->ref || !pgmap->kill || !pgmap->cleanup); - pgmap->kill(pgmap->ref); - pgmap->cleanup(pgmap->ref); + WARN_ON(!pgmap || !pgmap->ref || !pgmap->ops || !pgmap->ops->kill || + !pgmap->ops->cleanup); + pgmap->ops->kill(pgmap->ref); + pgmap->ops->cleanup(pgmap->ref); } void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) |