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6a5d362120
kfree(0) is perfectly valid, checking pointers for NULL before calling kfree() on them is redundant. The patch below cleans away a few such redundant checks (and while I was around some of those bits I couldn't stop myself from making a few tiny whitespace changes as well). Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Acked-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>