vsprintf: remove %n handling
All in-kernel users of %n in format strings have now been removed and the %n directive is ignored. Remove the handling of %n so that it is treated the same as any other invalid format string directive. Keep a warning in place to deter new instances of %n in format strings. Signed-off-by: NRyan Mallon <rmallon@gmail.com> Acked-by: NKees Cook <keescook@chromium.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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