From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8945717731 for ; Wed, 9 Aug 2023 11:06:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D275AC433C9; Wed, 9 Aug 2023 11:06:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691579171; bh=nPxEDE4BaeENzmBn85ehb5uD4+Fd0cgaQCQuaH8TH6Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nL/IblQd2WUSGgCAfZmzrhPoyMJYs3oANpl//TNhPmRmQaIx6z2RufiapC2RBZU43 YcgdVMu2vS7W9xO051pY/DpS7uFffe8V9L9aN43yvBWTMXYNkkSoOCdCf8q6YfhFPM Wyf9kbcoRRkLOJ+uhqeaaKHwAvPQNaFYLLcNZ0rc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Randy Dunlap , Geert Uytterhoeven , Jakub Kicinski , Sasha Levin Subject: [PATCH 4.14 100/204] wifi: airo: avoid uninitialized warning in airo_get_rate() Date: Wed, 9 Aug 2023 12:40:38 +0200 Message-ID: <20230809103645.980849277@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103642.552405807@linuxfoundation.org> References: <20230809103642.552405807@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Randy Dunlap [ Upstream commit 9373771aaed17f5c2c38485f785568abe3a9f8c1 ] Quieten a gcc (11.3.0) build error or warning by checking the function call status and returning -EBUSY if the function call failed. This is similar to what several other wireless drivers do for the SIOCGIWRATE ioctl call when there is a locking problem. drivers/net/wireless/cisco/airo.c: error: 'status_rid.currentXmitRate' is used uninitialized [-Werror=uninitialized] Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Randy Dunlap Reported-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/39abf2c7-24a-f167-91da-ed4c5435d1c4@linux-m68k.org Link: https://lore.kernel.org/r/20230709133154.26206-1-rdunlap@infradead.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/wireless/cisco/airo.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c index d06dc446a3931..ca4a3330337d7 100644 --- a/drivers/net/wireless/cisco/airo.c +++ b/drivers/net/wireless/cisco/airo.c @@ -6102,8 +6102,11 @@ static int airo_get_rate(struct net_device *dev, { struct airo_info *local = dev->ml_priv; StatusRid status_rid; /* Card status info */ + int ret; - readStatusRid(local, &status_rid, 1); + ret = readStatusRid(local, &status_rid, 1); + if (ret) + return -EBUSY; vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; /* If more than one rate, set auto */ -- 2.39.2