On Wed, Feb 20, 2019 at 12:13:45PM +0100, Gerd Hoffmann wrote: > From: Liam Merwick <liam.merw...@oracle.com> > > Add an assert and an explicit check before the two callers to > usb_ep_get() in the USB redirector code to ensure the device > passed in is not NULL. > > Signed-off-by: Liam Merwick <liam.merw...@oracle.com> > Message-id: 1549460216-25808-9-git-send-email-liam.merw...@oracle.com > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > --- > hw/usb/redirect.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c > index 18a42d1938..7cb6b120d4 100644 > --- a/hw/usb/redirect.c > +++ b/hw/usb/redirect.c > @@ -1728,6 +1728,7 @@ static void usbredir_ep_info(void *priv, > USBRedirDevice *dev = priv; > int i; > > + assert(dev != NULL);
Suggesting: assert(dev) > for (i = 0; i < MAX_ENDPOINTS; i++) { > dev->endpoint[i].type = ep_info->type[i]; > dev->endpoint[i].interval = ep_info->interval[i]; > @@ -2125,7 +2126,7 @@ static int usbredir_post_load(void *priv, int > version_id) > { > USBRedirDevice *dev = priv; > > - if (dev->parser == NULL) { > + if (dev == NULL || dev->parser == NULL) { Suggesting if (!dev || !dev->parser) > return 0; > } > > -- > 2.9.3 > >