diff options
Diffstat (limited to 'fs/devfs.c')
| -rw-r--r-- | fs/devfs.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/devfs.c b/fs/devfs.c index 81ae2c25a5..ae5e6475b1 100644 --- a/fs/devfs.c +++ b/fs/devfs.c @@ -60,15 +60,19 @@ static int devfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t s static loff_t devfs_lseek(struct device_d *_dev, FILE *f, loff_t pos) { struct cdev *cdev = f->priv; - loff_t ret = -1; + loff_t ret; - if (cdev->ops->lseek) + if (cdev->ops->lseek) { ret = cdev->ops->lseek(cdev, pos + cdev->offset); + if (ret < 0) + return ret; + } else { + return -ENOSYS; + } - if (ret != -1) - f->pos = pos; + f->pos = pos; - return ret - cdev->offset; + return pos; } static int devfs_erase(struct device_d *_dev, FILE *f, loff_t count, loff_t offset) |