net: ethernet: renesas: ravb_main: test clock rate to avoid division by 0

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The clk API may return 0 on clk_get_rate, so we should check the result before
using it as a divisor.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Wolfram Sang 2016-04-08 13:28:42 +02:00 • committed by David S. Miller

parent 60e19518d6

commit a6d37131c0

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drivers/net/ethernet/renesas/ravb_main.c

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