netdev - [PATCH] brcm80211: remove redundant pointer 'address'

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Date:   Sun,  5 Apr 2020 14:39:06 +0100
From:   Colin King <colin.king@...onical.com>
To:     Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] brcm80211: remove redundant pointer 'address'

From: Colin Ian King <colin.king@...onical.com>

Pointer 'address' is being assigned and updated in a few places
by it is never read. Hence the assignments are redundant and can
be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 .../net/wireless/broadcom/brcm80211/brcmfmac/commonring.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
index 49db54d23e03..e44236cb210e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
@@ -180,14 +180,8 @@ brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring,
 
 int brcmf_commonring_write_complete(struct brcmf_commonring *commonring)
 {
-	void *address;
-
-	address = commonring->buf_addr;
-	address += (commonring->f_ptr * commonring->item_len);
-	if (commonring->f_ptr > commonring->w_ptr) {
-		address = commonring->buf_addr;
+	if (commonring->f_ptr > commonring->w_ptr)
 		commonring->f_ptr = 0;
-	}
 
 	commonring->f_ptr = commonring->w_ptr;
 
-- 
2.25.1