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-rw-r--r--drivers/mtd/mtdchar.c20
-rw-r--r--drivers/mtd/ubi/cdev.c26
2 files changed, 2 insertions, 44 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index c719879284bd..684bfa39e4ee 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -55,25 +55,7 @@ struct mtd_file_info {
static loff_t mtdchar_lseek(struct file *file, loff_t offset, int orig)
{
struct mtd_file_info *mfi = file->private_data;
- struct mtd_info *mtd = mfi->mtd;
-
- switch (orig) {
- case SEEK_SET:
- break;
- case SEEK_CUR:
- offset += file->f_pos;
- break;
- case SEEK_END:
- offset += mtd->size;
- break;
- default:
- return -EINVAL;
- }
-
- if (offset >= 0 && offset <= mtd->size)
- return file->f_pos = offset;
-
- return -EINVAL;
+ return fixed_size_llseek(file, offset, orig, mfi->mtd->size);
}
static int count;
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,
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