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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 12:32:34 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-12-03 18:55:17 +0300 |
| commit | 7a6f7133c573f237f2ed51652a947bc02aeeda4d (patch) | |
| tree | 31629f0a972e350ecfa1f5f1ebe377d370a67ebf /drivers/gpu/drm/armada/armada_gem.c | |
| parent | 7cb410cdbdc9b71e2d4f356f2e4cea0b925abb21 (diff) | |
| download | linux-7a6f7133c573f237f2ed51652a947bc02aeeda4d.tar.xz | |
drm/armada: use unlocked gem unreferencing
For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with
commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Oct 15 09:36:25 2015 +0200
drm/gem: Check locking in drm_gem_object_unreference
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/armada/armada_gem.c')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_gem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 60a688ef81c7..aaf88641bfc5 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -352,13 +352,13 @@ int armada_gem_mmap_ioctl(struct drm_device *dev, void *data, return -ENOENT; if (!dobj->obj.filp) { - drm_gem_object_unreference(&dobj->obj); + drm_gem_object_unreference_unlocked(&dobj->obj); return -EINVAL; } addr = vm_mmap(dobj->obj.filp, 0, args->size, PROT_READ | PROT_WRITE, MAP_SHARED, args->offset); - drm_gem_object_unreference(&dobj->obj); + drm_gem_object_unreference_unlocked(&dobj->obj); if (IS_ERR_VALUE(addr)) return addr; |