Char: mxser, ratelimit ioctl warning
The GET_MAJOR ioctl prints out a warning, make it ratelimited. Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Acked-by: NAlan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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