| commit | 0e64123141f3854e695eb4924d82b52856691466 | [log] [tgz] |
|---|---|---|
| author | Olivier Deprez <olivier.deprez@arm.com> | Thu Sep 23 10:07:05 2021 +0200 |
| committer | Olivier Deprez <olivier.deprez@arm.com> | Tue Oct 26 16:50:53 2021 +0100 |
| tree | 9f79e140db584f9b107f4e33373a0075983df1f4 | |
| parent | 98854e9675dc7d951fa9c4e10d9c9d230c54bde6 [diff] [blame] |
Update Linux to v5.4.148 Sourced from [1] [1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c index 2c4f324..da79992 100644 --- a/drivers/xen/gntdev-dmabuf.c +++ b/drivers/xen/gntdev-dmabuf.c
@@ -641,6 +641,14 @@ goto fail_detach; } + /* Check that we have zero offset. */ + if (sgt->sgl->offset) { + ret = ERR_PTR(-EINVAL); + pr_debug("DMA buffer has %d bytes offset, user-space expects 0\n", + sgt->sgl->offset); + goto fail_unmap; + } + /* Check number of pages that imported buffer has. */ if (attach->dmabuf->size != gntdev_dmabuf->nr_pages << PAGE_SHIFT) { ret = ERR_PTR(-EINVAL);