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Commit 95f774c5 authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Greg Kroah-Hartman
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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: default avatarVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5c6d6fd1

drivers/misc/eeprom/eeprom_93xx46.c

+1 −1
Original line number Diff line number Diff line
@@ -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))