The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 908fc4c2abdb1835f303cf6827e66676568943e7
Gitweb: https://git.kernel.org/tip/908fc4c2abdb1835f303cf6827e66676568943e7
Author: Tom Lendacky <thomas.lendacky@xxxxxxx>
AuthorDate: Tue, 19 Jul 2022 12:12:52 -05:00
Committer: Borislav Petkov <bp@xxxxxxx>
CommitterDate: Tue, 19 Jul 2022 22:26:02 +02:00
virt: sev-guest: Pass the appropriate argument type to iounmap()
Fix a sparse warning in sev_guest_probe() where the wrong argument type is
provided to iounmap().
Fixes: fce96cf04430 ("virt: Add SEV-SNP guest driver")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lore.kernel.org/r/202207150617.jqwQ0Rpz-lkp@xxxxxxxxx
---
drivers/virt/coco/sev-guest/sev-guest.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/virt/coco/sev-guest/sev-guest.c b/drivers/virt/coco/sev-guest/sev-guest.c
index 90ce16b..f422f9c 100644
--- a/drivers/virt/coco/sev-guest/sev-guest.c
+++ b/drivers/virt/coco/sev-guest/sev-guest.c
@@ -632,16 +632,19 @@ static int __init sev_guest_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct snp_guest_dev *snp_dev;
struct miscdevice *misc;
+ void __iomem *mapping;
int ret;
if (!dev->platform_data)
return -ENODEV;
data = (struct sev_guest_platform_data *)dev->platform_data;
- layout = (__force void *)ioremap_encrypted(data->secrets_gpa, PAGE_SIZE);
- if (!layout)
+ mapping = ioremap_encrypted(data->secrets_gpa, PAGE_SIZE);
+ if (!mapping)
return -ENODEV;
+ layout = (__force void *)mapping;
+
ret = -ENOMEM;
snp_dev = devm_kzalloc(&pdev->dev, sizeof(struct snp_guest_dev), GFP_KERNEL);
if (!snp_dev)
@@ -706,7 +709,7 @@ e_free_response:
e_free_request:
free_shared_pages(snp_dev->request, sizeof(struct snp_guest_msg));
e_unmap:
- iounmap(layout);
+ iounmap(mapping);
return ret;
}
|