On Fri,  5 Dec 2025 09:10:02 -0800 Guenter Roeck wrote:

The following warning is seen when building netlink-dumps.

netlink-dumps.c: In function ‘dump_extack’:
../kselftest_harness.h:788:35: warning: ‘ret’ may be used uninitialized

Problem is that the loop which initializes 'ret' may exit early without
initializing the variable if recv() returns an error. Always initialize
'ret' to solve the problem.

Are you sure you're working off the latest tree? I think this should
already be fixed by 13cb6ac5b50

I applied the other 3 networking changes.