Commit 4a04a844 authored by Jerome Glisse's avatar Jerome Glisse Committed by Dave Airlie
Browse files

drm/radeon/kms: Fix NULL ptr dereference



radeon_atombios_fini might be call while there is not valid
atombios structure allocated, thus test for a not null ptr
before trying to access this structure.
Signed-off-by: default avatarJerome Glisse <jglisse@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent b27b6375
......@@ -487,8 +487,10 @@ int radeon_atombios_init(struct radeon_device *rdev)
void radeon_atombios_fini(struct radeon_device *rdev)
{
kfree(rdev->mode_info.atom_context->scratch);
kfree(rdev->mode_info.atom_context);
if (rdev->mode_info.atom_context) {
kfree(rdev->mode_info.atom_context->scratch);
kfree(rdev->mode_info.atom_context);
}
kfree(rdev->mode_info.atom_card_info);
}
......
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