KVM: SVM: Fix uninitialized variable bug

If snp_lookup_rmpentry() fails then "assigned" is printed in the error
message but it was never initialized.  Initialize it to false.

Fixes: dee5a47cc7a4 ("KVM: SEV: Add KVM_SEV_SNP_LAUNCH_UPDATE command")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-ID: <20240612115040.2423290-3-dan.carpenter@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 532df12b43c5b7629dd5a616b7f0b921cba21ba8..393f450adbc36ac2a5962f5108241602867a21fe 100644 (file)
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -2276,7 +2276,7 @@ static int sev_gmem_post_populate(struct kvm *kvm, gfn_t gfn_start, kvm_pfn_t pf
 
        for (gfn = gfn_start, i = 0; gfn < gfn_start + npages; gfn++, i++) {
                struct sev_data_snp_launch_update fw_args = {0};
-               bool assigned;
+               bool assigned = false;
                int level;
 
                ret = snp_lookup_rmpentry((u64)pfn + i, &assigned, &level);