[PATCH] habanalabs: Fix memleak in hl_device_reset

[Dinghao Liu]

When kzalloc() fails, we should execute hl_mmu_fini()
to release the MMU module. It's the same when
hl_ctx_init() fails.

Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---
 drivers/misc/habanalabs/common/device.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/common/device.c 
b/drivers/misc/habanalabs/common/device.c
index 5871162a8442..e5028890ead1 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -1092,6 +1092,7 @@ int hl_device_reset(struct hl_device *hdev, bool 
hard_reset,
                                                GFP_KERNEL);
                if (!hdev->kernel_ctx) {
                        rc = -ENOMEM;
+                       hl_mmu_fini(hdev);
                        goto out_err;
                }
 
@@ -1103,6 +1104,7 @@ int hl_device_reset(struct hl_device *hdev, bool 
hard_reset,
                                "failed to init kernel ctx in hard reset\n");
                        kfree(hdev->kernel_ctx);
                        hdev->kernel_ctx = NULL;
+                       hl_mmu_fini(hdev);
                        goto out_err;
                }
        }
-- 
2.17.1