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[1/2] ipmi_bmc_sim: Fix off by one in check.

Message ID 1452519152-6500-2-git-send-email-minyard@acm.org
State New
Headers show

Commit Message

Corey Minyard Jan. 11, 2016, 1:32 p.m. UTC
From: Corey Minyard <cminyard@mvista.com>

Found by Paolo.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Shannon Zhao <zhaoshenglong@huawei.com>
Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
---
 hw/ipmi/ipmi_bmc_sim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Michael S. Tsirkin Feb. 8, 2016, 10:43 a.m. UTC | #1
On Mon, Jan 11, 2016 at 07:32:31AM -0600, minyard@acm.org wrote:
> From: Corey Minyard <cminyard@mvista.com>
> 
> Found by Paolo.
> 
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: Peter Maydell <peter.maydell@linaro.org>
> Cc: Shannon Zhao <zhaoshenglong@huawei.com>
> Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com>
> Cc: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Corey Minyard <cminyard@mvista.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

> ---
>  hw/ipmi/ipmi_bmc_sim.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
> index 0a59e53..3ecf02e 100644
> --- a/hw/ipmi/ipmi_bmc_sim.c
> +++ b/hw/ipmi/ipmi_bmc_sim.c
> @@ -546,7 +546,7 @@ static void ipmi_init_sensors_from_sdrs(IPMIBmcSim *s)
>  static int ipmi_register_netfn(IPMIBmcSim *s, unsigned int netfn,
>                                 const IPMINetfn *netfnd)
>  {
> -    if ((netfn & 1) || (netfn > MAX_NETFNS) || (s->netfns[netfn / 2])) {
> +    if ((netfn & 1) || (netfn >= MAX_NETFNS) || (s->netfns[netfn / 2])) {
>          return -1;
>      }
>      s->netfns[netfn / 2] = netfnd;
> -- 
> 2.5.0
diff mbox

Patch

diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
index 0a59e53..3ecf02e 100644
--- a/hw/ipmi/ipmi_bmc_sim.c
+++ b/hw/ipmi/ipmi_bmc_sim.c
@@ -546,7 +546,7 @@  static void ipmi_init_sensors_from_sdrs(IPMIBmcSim *s)
 static int ipmi_register_netfn(IPMIBmcSim *s, unsigned int netfn,
                                const IPMINetfn *netfnd)
 {
-    if ((netfn & 1) || (netfn > MAX_NETFNS) || (s->netfns[netfn / 2])) {
+    if ((netfn & 1) || (netfn >= MAX_NETFNS) || (s->netfns[netfn / 2])) {
         return -1;
     }
     s->netfns[netfn / 2] = netfnd;