diff options
| author | Dan Carpenter | 2022-12-07 18:56:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2022-12-31 13:32:53 +0100 |
| commit | f8059a2a2bdf1107bf086b0f4393e359ca83c251 (patch) | |
| tree | 1ef22bf7f9731bd0c82d96c79c865f115e40d1d2 | |
| parent | 8a1a382895831145c8acd7976b1e413d4a9ad71d (diff) | |
iommu/mediatek: Fix forever loop in error handling
[ Upstream commit 462e768b55a2331324ff72e74706261134369826 ]
There is a typo so this loop does i++ where i-- was intended. It will
result in looping until the kernel crashes.
Fixes: 26593928564c ("iommu/mediatek: Add error path for loop of mm_dts_parse")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/Y5C3mTam2nkbaz6o@kili
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index f1547199026c..dad2f238ffbf 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1130,8 +1130,7 @@ static int mtk_iommu_mm_dts_parse(struct device *dev, struct component_match **m return 0; err_larbdev_put: - /* id may be not linear mapping, loop whole the array */ - for (i = MTK_LARB_NR_MAX - 1; i >= 0; i++) { + for (i = MTK_LARB_NR_MAX - 1; i >= 0; i--) { if (!data->larb_imu[i].dev) continue; put_device(data->larb_imu[i].dev); |