From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roel Kluin Date: Thu, 07 Jan 2010 22:11:57 +0000 Subject: [PATCH] KVM: dereference of NULL pointer in set_pal_result() Message-Id: <4B465C2D.8030303@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-ia64@vger.kernel.org Do not dereference a NULL pointer Signed-off-by: Roel Kluin --- arch/ia64/kvm/kvm_fw.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/ia64/kvm/kvm_fw.c b/arch/ia64/kvm/kvm_fw.c index e4b8231..d28494f 100644 --- a/arch/ia64/kvm/kvm_fw.c +++ b/arch/ia64/kvm/kvm_fw.c @@ -75,9 +75,11 @@ static void set_pal_result(struct kvm_vcpu *vcpu, struct exit_ctl_data *p; p = kvm_get_exit_data(vcpu); - if (p && p->exit_reason = EXIT_REASON_PAL_CALL) { + if (!p) + return; + if (p->exit_reason = EXIT_REASON_PAL_CALL) { p->u.pal_data.ret = result; - return ; + return; } INIT_PAL_STATUS_UNIMPLEMENTED(p->u.pal_data.ret); }