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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:14:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:14:06 +0000 |
| commit | e616d72f8b12df275e5afd05b0f5ed251f6d56a1 (patch) | |
| tree | cfbdd162315fce0266b5aa12c070ff08a6d8f4a7 /drivers/gpu/drm/drm_gem_shmem_helper.c | |
| parent | Releasing progress-linux version 6.9.2-1~exp1~progress7.99u1. (diff) | |
| download | linux-e616d72f8b12df275e5afd05b0f5ed251f6d56a1.tar.xz linux-e616d72f8b12df275e5afd05b0f5ed251f6d56a1.zip | |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_shmem_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem_shmem_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index e435f986cd..1ff0678be7 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -610,6 +610,9 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct return ret; } + if (is_cow_mapping(vma->vm_flags)) + return -EINVAL; + dma_resv_lock(shmem->base.resv, NULL); ret = drm_gem_shmem_get_pages(shmem); dma_resv_unlock(shmem->base.resv); |