Re: [PATCH] usbip: tools: fix build error for multiple definition

From: Salvatore Bonaccorso
Date: Thu Jul 23 2020 - 18:58:43 EST


Hi,

On Thu, Jun 18, 2020 at 11:36:39AM -0600, Shuah Khan wrote:
> On 6/17/20 6:08 PM, Antonio Borneo wrote:
> > With GCC 10, building usbip triggers error for multiple definition
> > of 'udev_context', in:
> > - libsrc/vhci_driver.c:18 and
> > - libsrc/usbip_host_common.c:27.
> >
> > Declare as extern the definition in libsrc/usbip_host_common.c.
> >
> > Signed-off-by: Antonio Borneo <borneo.antonio@xxxxxxxxx>
> > ---
> > tools/usb/usbip/libsrc/usbip_host_common.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/usb/usbip/libsrc/usbip_host_common.c b/tools/usb/usbip/libsrc/usbip_host_common.c
> > index d1d8ba2a4a40..ca78aa368476 100644
> > --- a/tools/usb/usbip/libsrc/usbip_host_common.c
> > +++ b/tools/usb/usbip/libsrc/usbip_host_common.c
> > @@ -23,7 +23,7 @@
> > #include "list.h"
> > #include "sysfs_utils.h"
> > -struct udev *udev_context;
> > +extern struct udev *udev_context;
> > static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
> > {
> >
>
> Looks good to me.
>
> Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

As Debian (unstable) has switched to GCC 10 by default, we are biten
by this. Patch looks good to me.

Tested-by: Salvatore Bonaccorso <carnil@xxxxxxxxxx>

Regards,
Salvatore