kernel/kfifo.c: add handling of chained scatterlists
The current kfifo scatterlist implementation will not work with chained scatterlists. It assumes that struct scatterlist arrays are allocated contiguously, which is not the case when chained scatterlists (struct sg_table) are in use. Signed-off-by: NStefani Seibold <stefani@seibold.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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