From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
To: dave.jiang@intel.com
Cc: vkoul@kernel.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org,
Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Subject: [PATCH] dmaengine: idxd: Fix missing error code in idxd_cdev_open()
Date: Wed, 2 Jun 2021 18:07:26 +0800 [thread overview]
Message-ID: <1622628446-87909-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw)
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>
---
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 302cba5..d4419bf 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;
}
--
1.8.3.1
next reply other threads:[~2021-06-02 10:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 10:07 Jiapeng Chong [this message]
2021-06-02 15:00 ` [PATCH] dmaengine: idxd: Fix missing error code in idxd_cdev_open() Dave Jiang
2021-06-03 6:59 ` Vinod Koul
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