From 27376465e945c11ad13c1e1d877ed318be010062 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 3 Nov 2025 15:44:39 -0800 Subject: [PATCH] KVM: TDX: Fix sparse warnings from using 0 for NULL Stop using 0 for NULL. sparse moans: ... arch/x86/kvm/vmx/tdx.c:859:38: warning: Using plain integer as NULL pointer for several TDX pointer initializations. While I love a good ptr=0 now and then, it's good to have quiet sparse builds. Signed-off-by: Dave Hansen Fixes: a50f673f25e0 ("KVM: TDX: Do TDX specific vcpu initialization") Fixes: 8d032b683c29 ("KVM: TDX: create/destroy VM structure") Reviewed-by: Rick Edgecombe Cc: Xiaoyao Li Cc: Sean Christopherson Cc: Paolo Bonzini Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: x86@kernel.org Cc: "H. Peter Anvin" Cc: "Kirill A. Shutemov" Cc: Rick Edgecombe Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Xiaoyao Li Acked-by: Kiryl Shutsemau Link: https://patch.msgid.link/20251103234439.DC8227E4@davehans-spike.ostc.intel.com Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/tdx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c index 3525e0e9d073..0ffca14c1071 100644 --- a/arch/x86/kvm/vmx/tdx.c +++ b/arch/x86/kvm/vmx/tdx.c @@ -903,7 +903,7 @@ void tdx_vcpu_free(struct kvm_vcpu *vcpu) } if (tdx->vp.tdvpr_page) { tdx_reclaim_control_page(tdx->vp.tdvpr_page); - tdx->vp.tdvpr_page = 0; + tdx->vp.tdvpr_page = NULL; tdx->vp.tdvpr_pa = 0; } @@ -2581,7 +2581,7 @@ free_tdcs: free_tdr: if (tdr_page) __free_page(tdr_page); - kvm_tdx->td.tdr_page = 0; + kvm_tdx->td.tdr_page = NULL; free_hkid: tdx_hkid_free(kvm_tdx); @@ -3000,7 +3000,7 @@ free_tdcx: free_tdvpr: if (tdx->vp.tdvpr_page) __free_page(tdx->vp.tdvpr_page); - tdx->vp.tdvpr_page = 0; + tdx->vp.tdvpr_page = NULL; tdx->vp.tdvpr_pa = 0; return ret;