From: Wolfram Sang <wsa@the-dreams.de>
To: linux-i2c@vger.kernel.org
Cc: linux-sh@vger.kernel.org, Wolfram Sang <wsa@the-dreams.de>,
Magnus Damm <magnus.damm@gmail.com>,
Simon Horman <horms@verge.net.au>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Debora Grosse <debora@mds.com>
Subject: [PATCH] i2c: slave-eeprom: fix boundary check when using sysfs
Date: Mon, 19 Jan 2015 17:22:55 +0100 [thread overview]
Message-ID: <1421684575-6679-1-git-send-email-wsa@the-dreams.de> (raw)
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Due to a copy&paste error, the last byte of the shared memory was not
accessible via sysfs.
Reported-by: Debora Grosse <debora@mds.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/i2c/i2c-slave-eeprom.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c
index f432f81b0414..8f417e9054ac 100644
--- a/drivers/i2c/i2c-slave-eeprom.c
+++ b/drivers/i2c/i2c-slave-eeprom.c
@@ -74,7 +74,7 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj
struct eeprom_data *eeprom;
unsigned long flags;
- if (off + count >= attr->size)
+ if (off + count > attr->size)
return -EFBIG;
eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -92,7 +92,7 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob
struct eeprom_data *eeprom;
unsigned long flags;
- if (off + count >= attr->size)
+ if (off + count > attr->size)
return -EFBIG;
eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
--
2.1.3
next reply other threads:[~2015-01-19 16:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 16:22 Wolfram Sang [this message]
2015-01-20 13:52 ` [PATCH] i2c: slave-eeprom: fix boundary check when using sysfs Laurent Pinchart
2015-01-22 14:23 ` Wolfram Sang
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