From: Dan Carpenter <dan.carpenter@oracle.com>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [patch] iommu/amd: Missing error code in amd_iommu_init_device()
Date: Thu, 24 Nov 2016 11:05:44 +0000 [thread overview]
Message-ID: <20161124110544.GE17225@mwanda> (raw)
We should set "ret" to -EINVAL if iommu_group_get() fails.
Fixes: 55c99a4dc50f ("iommu/amd: Use iommu_attach_group()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 594849a..f8ed8c9 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -805,8 +805,10 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids)
goto out_free_domain;
group = iommu_group_get(&pdev->dev);
- if (!group)
+ if (!group) {
+ ret = -EINVAL;
goto out_free_domain;
+ }
ret = iommu_attach_group(dev_state->domain, group);
if (ret != 0)
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [patch] iommu/amd: Missing error code in amd_iommu_init_device()
Date: Thu, 24 Nov 2016 14:05:44 +0300 [thread overview]
Message-ID: <20161124110544.GE17225@mwanda> (raw)
We should set "ret" to -EINVAL if iommu_group_get() fails.
Fixes: 55c99a4dc50f ("iommu/amd: Use iommu_attach_group()")
Signed-off-by: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 594849a..f8ed8c9 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -805,8 +805,10 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids)
goto out_free_domain;
group = iommu_group_get(&pdev->dev);
- if (!group)
+ if (!group) {
+ ret = -EINVAL;
goto out_free_domain;
+ }
ret = iommu_attach_group(dev_state->domain, group);
if (ret != 0)
next reply other threads:[~2016-11-24 11:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-24 11:05 Dan Carpenter [this message]
2016-11-24 11:05 ` [patch] iommu/amd: Missing error code in amd_iommu_init_device() Dan Carpenter
2016-11-29 16:40 ` Joerg Roedel
2016-11-29 16:40 ` Joerg Roedel
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