From: Fabio Estevam <fabioestevam@yahoo.com>
To: linux-kernel@vger.kernel.org
Cc: sameo@linux.intel.com, s.hauer@pengutronix.de,
u.kleine-koenig@pengutronix.de
Subject: [PATCH] mfd: check for NULL platform data
Date: Thu, 11 Nov 2010 06:58:14 -0800 (PST) [thread overview]
Message-ID: <805862.49452.qm@web51006.mail.re2.yahoo.com> (raw)
Avoid kernel crash if platform data is NULL.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
drivers/mfd/mc13xxx-core.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index a2ac2ed..b4d6bb1 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -757,6 +757,9 @@ err_revision:
mc13xxx_unlock(mc13xxx);
+ if (pdata == NULL)
+ return 0;
+
if (pdata->flags & MC13XXX_USE_ADC)
mc13xxx_add_subdevice(mc13xxx, "%s-adc");
--
1.6.0.4
next reply other threads:[~2010-11-11 15:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-11 14:58 Fabio Estevam [this message]
2010-11-11 15:44 ` [PATCH] mfd: check for NULL platform data Uwe Kleine-König
2010-11-26 10:23 ` Samuel Ortiz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=805862.49452.qm@web51006.mail.re2.yahoo.com \
--to=fabioestevam@yahoo.com \
--cc=linux-kernel@vger.kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=sameo@linux.intel.com \
--cc=u.kleine-koenig@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox