netdev - [PATCH][next] brcmfmac: remove redundant u32 comparison with less than zero

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190505211623.3153-1-colin.king@canonical.com>
Date:   Sun,  5 May 2019 22:16:23 +0100
From:   Colin King <colin.king@...onical.com>
To:     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][next] brcmfmac: remove redundant u32 comparison with less than zero

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

The check for the u32 variable idx being less than zero is
always false and is redundant. Remove it.

Addresses-Coverity: ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
index 9d1f9ff25bfa..e874dddc7b7f 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -375,7 +375,7 @@ brcmf_msgbuf_get_pktid(struct device *dev, struct brcmf_msgbuf_pktids *pktids,
 	struct brcmf_msgbuf_pktid *pktid;
 	struct sk_buff *skb;
 
-	if (idx < 0 || idx >= pktids->array_size) {
+	if (idx >= pktids->array_size) {
 		brcmf_err("Invalid packet id %d (max %d)\n", idx,
 			  pktids->array_size);
 		return NULL;
-- 
2.20.1