iommu/amd: Fix failure return from snp_lookup_rmpentry()

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  f366a8dac1: ("iommu/amd: Clean up RMP entries for IOMMU pages during SNP shutdown")

leads to the following Smatch static checker warning:

  drivers/iommu/amd/init.c:3820 iommu_page_make_shared() error: uninitialized symbol 'assigned'.

Fix it.

  [ bp: Address the other error cases too. ]

Fixes: f366a8dac1 ("iommu/amd: Clean up RMP entries for IOMMU pages during SNP shutdown")
Closes: https://lore.kernel.org/linux-iommu/1be69f6a-e7e1-45f9-9a74-b2550344f3fd@moroto.mountain
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Joerg Roedel <jroedel@suse.com>
Link: https://lore.kernel.org/lkml/20240126041126.1927228-20-michael.roth@amd.com

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This commit is contained in:

Ashish Kalra 2024-02-05 21:06:54 +00:00 • committed by Borislav Petkov (AMD)

parent 1c811d403a

commit 45ba5b3c0a

1 changed files with 15 additions and 10 deletions

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drivers/iommu/amd/init.c

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