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ubi/cdev: switch to fixed_size_llseek()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-06-23 12:30:24 +04:00
parent 54de90d686
commit 4a1f2f386b
1 changed files with 1 additions and 25 deletions
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26
drivers/mtd/ubi/cdev.c
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@ -155,7 +155,6 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin)
{
struct ubi_volume_desc *desc = file->private_data;
struct ubi_volume *vol = desc->vol;
loff_t new_offset;
if (vol->updating) {
/* Update is in progress, seeking is prohibited */
@ -163,30 +162,7 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin)
return -EBUSY;
}
switch (origin) {
case 0: /* SEEK_SET */
new_offset = offset;
break;
case 1: /* SEEK_CUR */
new_offset = file->f_pos + offset;
break;
case 2: /* SEEK_END */
new_offset = vol->used_bytes + offset;
break;
default:
return -EINVAL;
}
if (new_offset < 0 || new_offset > vol->used_bytes) {
ubi_err("bad seek %lld", new_offset);
return -EINVAL;
}
dbg_gen("seek volume %d, offset %lld, origin %d, new offset %lld",
vol->vol_id, offset, origin, new_offset);
file->f_pos = new_offset;
return new_offset;
return fixed_size_llseek(file, offset, origin, vol->used_bytes);
}
static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end,