Messages in this thread Patch in this message | | | Date | Tue, 19 Jul 2022 20:33:03 -0000 | From | "tip-bot2 for Tom Lendacky" <> | Subject | [tip: x86/urgent] virt: sev-guest: Pass the appropriate argument type to iounmap() |
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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@amd.com> AuthorDate: Tue, 19 Jul 2022 12:12:52 -05:00 Committer: Borislav Petkov <bp@suse.de> 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@intel.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/202207150617.jqwQ0Rpz-lkp@intel.com --- 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; }
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