linux-kernel - [PATCH v2 1/2] gpio: brcmstb: Handle return value of devm

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 for Android: free password hash cracker in your pocket

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

Message-Id: <1cfed20c00d642a34d8f93c5e9591412d387fa2a.1505970542.git.arvind.yadav.cs@gmail.com>
Date:   Thu, 21 Sep 2017 10:44:13 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     gregory.0xf0@...il.com, linus.walleij@...aro.org,
        computersforpeace@...il.com, f.fainelli@...il.com
Cc:     bcm-kernel-feedback-list@...adcom.com, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] gpio: brcmstb: Handle return value of devm_kasprintf

devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
changes in v2 :
		Set return 'err' to -ENOMEM.

 drivers/gpio/gpio-brcmstb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index dd0308c..27e92e5 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -485,6 +485,10 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
 		gc->of_node = np;
 		gc->owner = THIS_MODULE;
 		gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", dev->of_node);
+		if (!gc->label) {
+			err = -ENOMEM;
+			goto fail;
+		}
 		gc->base = gpio_base;
 		gc->of_gpio_n_cells = 2;
 		gc->of_xlate = brcmstb_gpio_of_xlate;
-- 
1.9.1