printk_ratelimited(): fix uninitialized spinlock
ratelimit_state initialization of printk_ratelimited() seems broken. This fixes it by using DEFINE_RATELIMIT_STATE() to initialize spinlock properly. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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