do_wait: factor out "retval != 0" checks
Every branch if the main "if" statement does the same code at the end. Move it down. Also, fix the indentation. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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