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由 Jesper Juhl 提交于
vfree() does it's own NULL checking, no need for explicit check before calling it. Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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