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| author |   Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> | 2013-10-28 19:05:16 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-29 16:24:33 -0700 |
| commit | 95f774c5268843e78fdb732cd4f27e510bbbba83 (patch) | |
| tree | 3365a712921f2610c7f5ac21d4c4545f5d8dd058 /drivers/misc | |
| parent | misc: atmel_pwm: add deferred-probing support (diff) | |
| download | linux-dev-95f774c5268843e78fdb732cd4f27e510bbbba83.tar.xz linux-dev-95f774c5268843e78fdb732cd4f27e510bbbba83.zip | |
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@mentor.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/eeprom_93xx46.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c index 94cfc1212577..3a015abb444a 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)) |