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Subject[PATCH 4.14 04/20] usbip: tools: fix build error for multiple definition
Date
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

From: Antonio Borneo <borneo.antonio@gmail.com>

commit d5efc2e6b98fe661dbd8dd0d5d5bfb961728e57a upstream.

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@gmail.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200618000844.1048309-1-borneo.antonio@gmail.com
Cc: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/usb/usbip/libsrc/usbip_host_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/usb/usbip/libsrc/usbip_host_common.c
+++ b/tools/usb/usbip/libsrc/usbip_host_common.c
@@ -35,7 +35,7 @@
#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)
{

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