checkpatch: warn on logging functions with KERN_<LEVEL>
Warn on probable misuses of logging functions with KERN_<LEVEL> like pr_err(KERN_ERR "foo\n"); Signed-off-by: NJoe Perches <joe@perches.com> Suggested-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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