diff options
| author | Miaoqian Lin <[email protected]> | 2022-01-07 08:09:11 +0000 |
|---|---|---|
| committer | Joerg Roedel <[email protected]> | 2022-02-28 14:01:57 +0100 |
| commit | 9826e393e4a8c3df474e7f9eacd3087266f74005 (patch) | |
| tree | a65623e32351160b77f14c02d0054389e52a1fa9 | |
| parent | b00833768e170a31af09268f7ab96aecfcca9623 (diff) | |
iommu/tegra-smmu: Fix missing put_device() call in tegra_smmu_find
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling path.
Fixes: 765a9d1d02b2 ("iommu/tegra-smmu: Fix mc errors on tegra124-nyan")
Signed-off-by: Miaoqian Lin <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index e900e3c46903..2561ce8a2ce8 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -808,8 +808,10 @@ static struct tegra_smmu *tegra_smmu_find(struct device_node *np) return NULL; mc = platform_get_drvdata(pdev); - if (!mc) + if (!mc) { + put_device(&pdev->dev); return NULL; + } return mc->smmu; } |