From: Xiao Guangrong <[email protected]> fix:
arch/x86/kvm/mmu.c: In function ‘kvm_send_hwpoison_signal’: arch/x86/kvm/mmu.c:2051: warning: ignoring return value of ‘copy_from_user’, declared with attribute warn_unused_resul Reported-by: Jan Kiszka <[email protected]> Signed-off-by: Xiao Guangrong <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 0e35106..7c3e09d 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2049,7 +2049,7 @@ static void kvm_send_hwpoison_signal(struct kvm *kvm, gfn_t gfn) /* Touch the page, so send SIGBUS */ hva = (void __user *)gfn_to_hva(kvm, gfn); - (void)copy_from_user(buf, hva, 1); + r = copy_from_user(buf, hva, 1); } static int kvm_handle_bad_page(struct kvm *kvm, gfn_t gfn, pfn_t pfn) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
