From: David Brownell <david-b@pacbell.net>
To: Adrian Bunk <bunk@stusta.de>
Cc: Rodolfo Giometti <giometti@linux.it>,
a.zummo@towertech.it, rtc-linux@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: rtc-ds1307.c: array overrun
Date: Sun, 22 Jul 2007 18:17:17 -0700 [thread overview]
Message-ID: <200707221817.18338.david-b@pacbell.net> (raw)
In-Reply-To: <20070723004422.GR26212@stusta.de>
On Sunday 22 July 2007, Adrian Bunk wrote:
> The Coverity checker spotted the following array overrun
> in drivers/rtc/rtc-ds1307.c:
Typo -- thanks, fix is attached.
======== CUT HERE
Fix a typo turned up by a Coverity check: referring to the wrong register,
which could cause problems restarting DS1338 RTCs after their oscillator
halted. (For example, if the backup battery died.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
---
drivers/rtc/rtc-ds1307.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- g26.orig/drivers/rtc/rtc-ds1307.c 2007-07-22 18:10:09.000000000 -0700
+++ g26/drivers/rtc/rtc-ds1307.c 2007-07-22 18:10:21.000000000 -0700
@@ -352,7 +352,7 @@ read_rtc:
/* oscillator fault? clear flag, and warn */
if (ds1307->regs[DS1307_REG_CONTROL] & DS1338_BIT_OSF) {
i2c_smbus_write_byte_data(client, DS1307_REG_CONTROL,
- ds1307->regs[DS1337_REG_CONTROL]
+ ds1307->regs[DS1307_REG_CONTROL]
& ~DS1338_BIT_OSF);
dev_warn(&client->dev, "SET TIME!\n");
goto read_rtc;
next prev parent reply other threads:[~2007-07-23 1:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-23 0:44 rtc-ds1307.c: array overrun Adrian Bunk
2007-07-23 1:17 ` David Brownell [this message]
2007-07-25 1:37 ` [rtc-linux] " Alessandro Zummo
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=200707221817.18338.david-b@pacbell.net \
--to=david-b@pacbell.net \
--cc=a.zummo@towertech.it \
--cc=bunk@stusta.de \
--cc=giometti@linux.it \
--cc=linux-kernel@vger.kernel.org \
--cc=rtc-linux@googlegroups.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.