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[128.101.106.66]) by smtp.gmail.com with ESMTPSA id d126sm1059071ywf.28.2019.12.15.11.59.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Dec 2019 11:59:05 -0800 (PST) From: Aditya Pakki To: pakki001@umn.edu Cc: kjlu@umn.edu, Kalle Valo , "David S. Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] orinoco: avoid assertion in case of NULL pointer Date: Sun, 15 Dec 2019 13:58:58 -0600 Message-Id: <20191215195900.6109-1-pakki001@umn.edu> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org In ezusb_init, if upriv is NULL, the code crashes. However, the caller in ezusb_probe can handle the error and print the failure message. The patch replaces the BUG_ON call to error return. Signed-off-by: Aditya Pakki --- drivers/net/wireless/intersil/orinoco/orinoco_usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c index 40a8b941ad5c..813de06c03de 100644 --- a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c +++ b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c @@ -1361,7 +1361,8 @@ static int ezusb_init(struct hermes *hw) int retval; BUG_ON(in_interrupt()); - BUG_ON(!upriv); + if (!upriv) + return -EINVAL; upriv->reply_count = 0; /* Write the MAGIC number on the simulated registers to keep -- 2.20.1