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net: ethernet: renesas: ravb_main: test clock rate to avoid division by 0
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Fri, 8 Apr 2016 11:28:42 +0000 (13:28 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Apr 2016 02:36:28 +0000 (22:36 -0400)
commit539d2424d214a2a0127a937a569796865a61b114
tree0b3a900478aa4e19e39f38c360c465cb01442c0etree | snapshot
parent805cf53918a5f04a12b83cb658f4a5ee7fa50fdecommit | diff
net: ethernet: renesas: ravb_main: test clock rate to avoid division by 0

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>
drivers/net/ethernet/renesas/ravb_main.c diff | blob | history
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