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From: Zhi Chen <zhichen@codeaurora.org>
To: ath10k@lists.infradead.org
Cc: Zhi Chen <zhichen@codeaurora.org>, linux-wireless@vger.kernel.org
Subject: [PATCH] ath10k: fix potential issue of peer stats allocation
Date: Thu, 31 Oct 2019 09:42:13 +0800	[thread overview]
Message-ID: <1572486133-23516-1-git-send-email-zhichen@codeaurora.org> (raw)

STA number was not restored if OOM happened.

Tested: QCA9984 with firmware ver 10.4-3.9.0.1-00018
Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
---
 drivers/net/wireless/ath/ath10k/mac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index b73c23d..61efc00 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6419,6 +6419,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
 			arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats),
 						  GFP_KERNEL);
 			if (!arsta->tx_stats) {
+				ath10k_mac_dec_num_stations(arvif, sta);
 				ret = -ENOMEM;
 				goto exit;
 			}
-- 
2.7.4


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WARNING: multiple messages have this Message-ID (diff)
From: Zhi Chen <zhichen@codeaurora.org>
To: ath10k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org, Zhi Chen <zhichen@codeaurora.org>
Subject: [PATCH] ath10k: fix potential issue of peer stats allocation
Date: Thu, 31 Oct 2019 09:42:13 +0800	[thread overview]
Message-ID: <1572486133-23516-1-git-send-email-zhichen@codeaurora.org> (raw)

STA number was not restored if OOM happened.

Tested: QCA9984 with firmware ver 10.4-3.9.0.1-00018
Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
---
 drivers/net/wireless/ath/ath10k/mac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index b73c23d..61efc00 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6419,6 +6419,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
 			arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats),
 						  GFP_KERNEL);
 			if (!arsta->tx_stats) {
+				ath10k_mac_dec_num_stations(arvif, sta);
 				ret = -ENOMEM;
 				goto exit;
 			}
-- 
2.7.4


             reply	other threads:[~2019-10-31  1:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31  1:42 Zhi Chen [this message]
2019-10-31  1:42 ` [PATCH] ath10k: fix potential issue of peer stats allocation Zhi Chen
2019-11-08  8:44 ` Kalle Valo
2019-11-08  8:44 ` Kalle Valo

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