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Date:	Mon, 28 Oct 2013 19:05:16 +0200
From:	Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 2/2] misc/93xx46: avoid infinite loop on write()

This change fixes a problem of infinite zero byte write() without
an error status, if there is an attempt to write a file bigger than
EEPROM size over sysfs interface.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/misc/eeprom/eeprom_93xx46.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index 94cfc12..3a015ab 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -202,7 +202,7 @@ eeprom_93xx46_bin_write(struct file *filp, struct kobject *kobj,
 	edev = dev_get_drvdata(dev);
 
 	if (unlikely(off >= edev->bin.size))
-		return 0;
+		return -EFBIG;
 	if ((off + count) > edev->bin.size)
 		count = edev->bin.size - off;
 	if (unlikely(!count))
-- 
1.7.10.4

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