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commit7335d4ac81upstream. Fix a bug where the code was checking the wrong file descriptors when opening the input files. The code was checking 'fd' instead of 'fd_in', which could lead to incorrect error handling. Fixes:05be5e273c("selftests: mptcp: add disconnect tests") Cc: stable@vger.kernel.org Fixes:ca7ae89160("selftests: mptcp: mptfo Initiator/Listener") Co-developed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Cong Liu <liucong2@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250328-net-mptcp-misc-fixes-6-15-v1-2-34161a482a7f@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>