KVM: x86: Fix potential fput on a null source_kvm_file

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The fget can potentially return null, so the fput on the error return
path can cause a null pointer dereference. Fix this by checking for
a null source_kvm_file before doing a fput.

Addresses-Coverity: ("Dereference null return")
Fixes: 54526d1fd5 ("KVM: x86: Support KVM VMs sharing SEV context")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Message-Id: <20210430170303.131924-1-colin.king@canonical.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Colin Ian King 2021-04-30 18:03:03 +01:00 • committed by Paolo Bonzini

parent 7f6231a391

commit 8899a5fc7d

1 changed files with 2 additions and 1 deletions

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arch/x86/kvm/svm/sev.c

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