* Re: [PATCH] vhost-net: fix vq_memory_access_ok error checking
@ 2010-04-13 15:01 Michael S. Tsirkin
2010-04-13 15:02 ` Michael S. Tsirkin
0 siblings, 1 reply; 2+ messages in thread
From: Michael S. Tsirkin @ 2010-04-13 15:01 UTC (permalink / raw)
To: Jeff Dike
Cc: Juan Quintela, Rusty Russell, David S. Miller, Laurent Chavey,
kvm, virtualization, netdev, linux-kernel
On Wed, Apr 07, 2010 at 09:59:10AM -0400, Jeff Dike wrote:
> vq_memory_access_ok needs to check whether mem == NULL
>
> Signed-off-by: Jeff Dike <jdike@linux.intel.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This was already queued by me, you do not need to
fill Dave's inbox with vhost patches.
> ---
> drivers/vhost/vhost.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> index 7bd7a1e..b8e1127 100644
> --- a/drivers/vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -235,6 +235,10 @@ static int vq_memory_access_ok(void __user *log_base, struct vhost_memory *mem,
> int log_all)
> {
> int i;
> +
> + if (!mem)
> + return 0;
> +
> for (i = 0; i < mem->nregions; ++i) {
> struct vhost_memory_region *m = mem->regions + i;
> unsigned long a = m->userspace_addr;
> --
> 1.7.0.2.280.gc6f05
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] vhost-net: fix vq_memory_access_ok error checking
2010-04-13 15:01 [PATCH] vhost-net: fix vq_memory_access_ok error checking Michael S. Tsirkin
@ 2010-04-13 15:02 ` Michael S. Tsirkin
0 siblings, 0 replies; 2+ messages in thread
From: Michael S. Tsirkin @ 2010-04-13 15:02 UTC (permalink / raw)
To: Jeff Dike
Cc: Juan Quintela, Rusty Russell, David S. Miller, Laurent Chavey,
kvm, virtualization, netdev, linux-kernel
On Tue, Apr 13, 2010 at 06:01:21PM +0300, Michael S. Tsirkin wrote:
> On Wed, Apr 07, 2010 at 09:59:10AM -0400, Jeff Dike wrote:
> > vq_memory_access_ok needs to check whether mem == NULL
> >
> > Signed-off-by: Jeff Dike <jdike@linux.intel.com>
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
>
> This was already queued by me, you do not need to
> fill Dave's inbox with vhost patches.
This was sent in error, please ignore.
Sorry about the noise.
> > ---
> > drivers/vhost/vhost.c | 4 ++++
> > 1 files changed, 4 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> > index 7bd7a1e..b8e1127 100644
> > --- a/drivers/vhost/vhost.c
> > +++ b/drivers/vhost/vhost.c
> > @@ -235,6 +235,10 @@ static int vq_memory_access_ok(void __user *log_base, struct vhost_memory *mem,
> > int log_all)
> > {
> > int i;
> > +
> > + if (!mem)
> > + return 0;
> > +
> > for (i = 0; i < mem->nregions; ++i) {
> > struct vhost_memory_region *m = mem->regions + i;
> > unsigned long a = m->userspace_addr;
> > --
> > 1.7.0.2.280.gc6f05
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-04-13 15:01 [PATCH] vhost-net: fix vq_memory_access_ok error checking Michael S. Tsirkin
2010-04-13 15:02 ` Michael S. Tsirkin
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