iommu/amd: Fix failure return from snp_lookup_rmpentry()
Commit f366a8da: ("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: f366a8da ("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.mountainReported-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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