| From | Sasha Levin <> | Subject | [PATCH 5.12 029/110] dmaengine: idxd: Fix missing error code in idxd_cdev_open() | Date | Mon, 28 Jun 2021 10:17:07 -0400 |
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From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
[ Upstream commit 99b18e88a1cf737ae924123d63b46d9a3d17b1af ]
The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'rc'.
Eliminate the follow smatch warning:
drivers/dma/idxd/cdev.c:113 idxd_cdev_open() warn: missing error code 'rc'.
Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/1622628446-87909-1-git-send-email-jiapeng.chong@linux.alibaba.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/dma/idxd/cdev.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index 1d8a3876b745..5ba8e8bc609f 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -110,6 +110,7 @@ static int idxd_cdev_open(struct inode *inode, struct file *filp) pasid = iommu_sva_get_pasid(sva); if (pasid == IOMMU_PASID_INVALID) { iommu_sva_unbind_device(sva); + rc = -EINVAL; goto failed; } -- 2.30.2
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