ide: palm_bk3710: test clock rate to avoid division by 0
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Wed, 2 Mar 2016 22:33:32 +0000 (23:33 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sun, 20 Mar 2016 20:59:27 +0000 (16:59 -0400)
commit0d7ef45cdeebcc95d581703f45f6de7b2ee89b8d
treef79b4359d7bc5cccb5c468ad482d88eb64eeb4e0
parenteccf432f6542d9895d6c50edb5634c6147918ed2
ide: palm_bk3710: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ide/palm_bk3710.c