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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Brian Norris <briannorris@chromium.org>,
        Kalle Valo <kvalo@codeaurora.org>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.18 122/228] ath10k: snoc: use correct bus-specific pointer in RX retry
Date:   Tue,  2 Oct 2018 06:23:39 -0700
Message-Id: <20181002132507.688752185@linuxfoundation.org>
In-Reply-To: <20181002132459.032960735@linuxfoundation.org>
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4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Brian Norris <briannorris@chromium.org>

[ Upstream commit 426a0f0b5a2fe1df3496ba299ee3521159dba302 ]

We're 'ath10k_snoc', not 'ath10k_pci'. This probably means we're
accessing junk data in ath10k_snoc_rx_replenish_retry(), unless
'ath10k_snoc' and 'ath10k_pci' happen to have very similar struct
layouts.

Noticed by inspection.

Fixes: d915105231ca ("ath10k: add hif rx methods for wcn3990")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/wireless/ath/ath10k/snoc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -449,7 +449,7 @@ static void ath10k_snoc_htt_rx_cb(struct
 
 static void ath10k_snoc_rx_replenish_retry(struct timer_list *t)
 {
-	struct ath10k_pci *ar_snoc = from_timer(ar_snoc, t, rx_post_retry);
+	struct ath10k_snoc *ar_snoc = from_timer(ar_snoc, t, rx_post_retry);
 	struct ath10k *ar = ar_snoc->ar;
 
 	ath10k_snoc_rx_post(ar);