drm/msm/sde: take struct mutex before gem free



Take the device struct mutex before freeing a gem buffer using
msm_gem_free_object, which requires that mutex to be held.

Change-Id: I5b9187c7961c6ecc7dde88aba6ef705af7c4e15c
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>

parent 84a47e8c

drivers/gpu/drm/msm/sde/sde_hw_reg_dma_v1.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -697,7 +697,9 @@ static struct sde_reg_dma_buffer *alloc_reg_dma_buf_v1(u32 size)
		msm_gem_address_space_unregister_cb(aspace, sde_reg_dma_aspace_cb,
		dma_buf);
		free_gem:
		mutex_lock(&reg_dma->drm_dev->struct_mutex);
		msm_gem_free_object(dma_buf->buf);
		mutex_unlock(&reg_dma->drm_dev->struct_mutex);
		fail:
		kfree(dma_buf);
		return ERR_PTR(rc);