When lima_vm_map_bo fails, the resources need to be deallocated, or
there will be memleaks.
Fixes: 6aebc51d7aef ("drm/lima: support heap buffer creation")
Signed-off-by: Zhipeng Lu <alexious@xxxxxxxxxx>
---
drivers/gpu/drm/lima/lima_gem.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index 4f9736e5f929..824ed22141c7 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -92,8 +92,13 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
if (vm) {
ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT);
- if (ret)
+ if (ret) {
+ dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
+ sg_free_table(&sgt);
+ kfree(bo->base.sgt);
+ bo->base.sgt = NULL;
return ret;
+ }
}
bo->heap_size = new_size;
--
2.34.1
