[PATCH 5.4 34/76] habanalabs: Fix memleak in hl_device_reset

From: Dinghao Liu dinghao.liu@zju.edu.cn

[ Upstream commit b000700d6db50c933ce8b661154e26cf4ad06dba ]

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.liu@zju.edu.cn Reviewed-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Oded Gabbay ogabbay@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/habanalabs/device.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/device.c b/drivers/misc/habanalabs/device.c index 3eeb1920ddb43..3486bf33474d9 100644 --- a/drivers/misc/habanalabs/device.c +++ b/drivers/misc/habanalabs/device.c @@ -959,6 +959,7 @@ again: GFP_KERNEL); if (!hdev->kernel_ctx) { rc = -ENOMEM; + hl_mmu_fini(hdev); goto out_err; }

@@ -970,6 +971,7 @@ again: "failed to init kernel ctx in hard reset\n"); kfree(hdev->kernel_ctx); hdev->kernel_ctx = NULL; + hl_mmu_fini(hdev); goto out_err; } }