ubi/cdev: switch to fixed_size_llseek()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 25 deletions

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 4f02848bb2bc..8ca49f2043e4 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -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,