netdev - [PATCH] net: wireless: ath9k: Return an error when ath9k_hw

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Message-Id: <20190504100815.19876-1-baijiaju1990@gmail.com>
Date:   Sat,  4 May 2019 18:08:15 +0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     ath9k-devel@....qualcomm.com, kvalo@...eaurora.org,
        davem@...emloft.net
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jia-Ju Bai <baijiaju1990@...il.com>
Subject: [PATCH] net: wireless: ath9k: Return an error when ath9k_hw_reset() fails

ath9k_hw_reset() in ath9k_start() can fail, and in this case, 
ath9k_start() should return an error instead of executing the 
subsequent code.

Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
---
 drivers/net/wireless/ath/ath9k/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index f23cb2f3d296..f78e7c46764d 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -681,6 +681,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
 			r, curchan->center_freq);
 		ah->reset_power_on = false;
+		return r;
 	}
 
 	/* Setup our intr mask. */
-- 
2.17.0