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由 Rasmus Villemoes 提交于
sprintf() reliably returns the number of characters printed, so we don't need to ask strlen() where we are. Also replace calling sprintf("%02x") in a loop with the much simpler bin2hex(). [akpm@linux-foundation.org: it's odd to include kernel.h after everything else] Signed-off-by: NRasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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