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authorMark Brown <broonie@kernel.org>2020-12-04 23:39:45 +0300
committerMark Brown <broonie@kernel.org>2020-12-04 23:39:45 +0300
commit4ecc08b2f51d874f35185724eda769492b60a18d (patch)
treef4d9e97304e9ff423fd4efa5193a1b94ebfc5912 /drivers/gpu/drm/drm_gem_shmem_helper.c
parent0b3355b070434f9901f641aac9000df93e2c96ad (diff)
parent0d2bf11a6b3e275a526b8d42d8d4a3a6067cf953 (diff)
downloadlinux-4ecc08b2f51d874f35185724eda769492b60a18d.tar.xz
Merge tag 'auxbus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into asoc-5.11
Auxiliary Bus support tag for 5.11-rc1 This is a signed tag for other subsystems to be able to pull in the auxiliary bus support into their trees for the 5.11-rc1 merge. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_shmem_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_shmem_helper.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index d77c9f8ff26c..e00616d94f26 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -593,8 +593,13 @@ int drm_gem_shmem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
/* Remove the fake offset */
vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node);
- if (obj->import_attach)
+ if (obj->import_attach) {
+ /* Drop the reference drm_gem_mmap_obj() acquired.*/
+ drm_gem_object_put(obj);
+ vma->vm_private_data = NULL;
+
return dma_buf_mmap(obj->dma_buf, vma, 0);
+ }
shmem = to_drm_gem_shmem_obj(obj);