[PATCH net-next] ath10k: Remove useless test before clk_disable_unprepare

[YueHaibing]

clk_disable_unprepare() already checks that the clock pointer is valid.
No need to test it before calling it.

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/wireless/ath/ath10k/ahb.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/ahb.c 
b/drivers/net/wireless/ath/ath10k/ahb.c
index 35d1049..fa39fff 100644
--- a/drivers/net/wireless/ath/ath10k/ahb.c
+++ b/drivers/net/wireless/ath/ath10k/ahb.c
@@ -180,14 +180,11 @@ static void ath10k_ahb_clock_disable(struct ath10k *ar)
 {
        struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
 
-       if (!IS_ERR_OR_NULL(ar_ahb->cmd_clk))
-               clk_disable_unprepare(ar_ahb->cmd_clk);
+       clk_disable_unprepare(ar_ahb->cmd_clk);
 
-       if (!IS_ERR_OR_NULL(ar_ahb->ref_clk))
-               clk_disable_unprepare(ar_ahb->ref_clk);
+       clk_disable_unprepare(ar_ahb->ref_clk);
 
-       if (!IS_ERR_OR_NULL(ar_ahb->rtc_clk))
-               clk_disable_unprepare(ar_ahb->rtc_clk);
+       clk_disable_unprepare(ar_ahb->rtc_clk);
 }
 
 static int ath10k_ahb_rst_ctrl_init(struct ath10k *ar)
-- 
2.7.0