From: SF Markus Elfring <elfring@users.sourceforge.net>
To: linux-gpio@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Gary Bisson <gary.bisson@boundarydevices.com>,
Laxman Dewangan <ldewangan@nvidia.com>,
Linus Walleij <linus.walleij@linaro.org>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Peng Fan <van.freenix@gmail.com>, Shawn Guo <shawnguo@kernel.org>,
Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH 03/10] pinctrl: imx: Return directly after a failed devm_kcalloc() in imx_pinctrl_parse_functions()
Date: Fri, 14 Apr 2017 11:11:31 +0200 [thread overview]
Message-ID: <786ef7b5-f889-7951-7479-e9e1f901f041@users.sourceforge.net> (raw)
In-Reply-To: <59fae4ac-9e07-232a-4843-92dd9e0cf2ef@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 13 Apr 2017 15:12:20 +0200
Add a check for a null pointer and return an error code
after a memory allocation failure was detected.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/pinctrl/freescale/pinctrl-imx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 975ed40cb774..f835e8210ace 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -585,6 +585,8 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
func->num_group_names,
sizeof(*func->group_names),
GFP_KERNEL);
+ if (!func->group_names)
+ return -ENOMEM;
for_each_child_of_node(np, child) {
func->group_names[i] = child->name;
--
2.12.2
next prev parent reply other threads:[~2017-04-14 9:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <59fae4ac-9e07-232a-4843-92dd9e0cf2ef@users.sourceforge.net>
2017-04-14 9:03 ` [PATCH 1/10] pinctrl: imx: Use kmalloc_array() in imx_dt_node_to_map() SF Markus Elfring
2017-04-14 9:07 ` [PATCH 02/10] pinctrl: imx: Use devm_kcalloc() in two functions SF Markus Elfring
2017-04-14 9:11 ` SF Markus Elfring [this message]
2017-04-14 9:14 ` [PATCH 04/10] pinctrl: imx: Improve another size determination in imx_pinctrl_parse_functions() SF Markus Elfring
2017-04-14 9:15 ` [PATCH 05/10] pinctrl: imx: Use devm_kmalloc_array() in imx_pinctrl_probe() SF Markus Elfring
2017-04-14 9:17 ` [PATCH 06/10] pinctrl: imx: Use seq_putc() in imx_pinconf_group_dbg_show() SF Markus Elfring
2017-04-14 9:19 ` [PATCH 07/10] pinctrl: imx: Use seq_puts() in imx_pinconf_dbg_show() SF Markus Elfring
2017-04-14 9:20 ` [PATCH 08/10] pinctrl: imx1-core: Use kmalloc_array() in imx_dt_node_to_map() SF Markus Elfring
2017-04-14 9:22 ` [PATCH 09/10] pinctrl: mxs: Use devm_kcalloc() in two functions SF Markus Elfring
2017-04-14 9:23 ` [PATCH 10/10] pinctrl: mxs: Use kcalloc() in mxs_dt_node_to_map() SF Markus Elfring
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