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dba4a9256b
Currently, the sock_from_file prototype takes an "err" pointer that is either not set or set to -ENOTSOCK IFF the returned socket is NULL. This makes the error redundant and it is ignored by a few callers. This patch simplifies the API by letting callers deduce the error based on whether the returned socket is NULL or not. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Florent Revest <revest@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: KP Singh <kpsingh@google.com> Link: https://lore.kernel.org/bpf/20201204113609.1850150-1-revest@google.com