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Putting the floor under brcount does not change the output in any way, just remove it. Change the termination test from ==0 to <=0 to prevent infinite loops in case somebody does something truly wacko in the code. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Tested-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250703184403.274408-4-corbet@lwn.net