diff options
Diffstat (limited to 'drivers/mtd/ubi/cdev.c')
| -rw-r--r-- | drivers/mtd/ubi/cdev.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index cdea669..7ac2c05 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -189,12 +189,16 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin) return new_offset; } -static int vol_cdev_fsync(struct file *file, int datasync) +static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end, int datasync) { struct ubi_volume_desc *desc = file->private_data; struct ubi_device *ubi = desc->vol->ubi; - - return ubi_sync(ubi->ubi_num); + struct inode *inode = file->f_path.dentry->d_inode; + int err; + mutex_lock(&inode->i_mutex); + err = ubi_sync(ubi->ubi_num); + mutex_unlock(&inode->i_mutex); + return err; } @@ -471,7 +475,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd, /* Validate the request */ err = -EINVAL; if (req.lnum < 0 || req.lnum >= vol->reserved_pebs || - req.bytes < 0 || req.lnum >= vol->usable_leb_size) + req.bytes < 0 || req.bytes > vol->usable_leb_size) break; if (req.dtype != UBI_LONGTERM && req.dtype != UBI_SHORTTERM && req.dtype != UBI_UNKNOWN) |