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habanalabs: fix possible memory leak in MMU DR fini

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[ Upstream commit eb85eec858 ]

This patch fixes what seems to be copy paste error.

We will have a memory leak if the host-resident shadow is NULL (which
will likely happen as the DR and HR are not dependent).

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ohad Sharabi
2022-01-03 09:48:27 +02:00
committed by Greg Kroah-Hartman
parent a34752aa23
commit 12e49aefda
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/habanalabs/common/mmu/mmu_v1.c
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@@ -467,7 +467,7 @@ static void hl_mmu_v1_fini(struct hl_device *hdev)
{
/* MMU H/W fini was already done in device hw_fini() */
if (!ZERO_OR_NULL_PTR(hdev->mmu_priv.hr.mmu_shadow_hop0)) {
if (!ZERO_OR_NULL_PTR(hdev->mmu_priv.dr.mmu_shadow_hop0)) {
kvfree(hdev->mmu_priv.dr.mmu_shadow_hop0);
gen_pool_destroy(hdev->mmu_priv.dr.mmu_pgt_pool);