new helpers: no_seek_end_llseek{,_size}()

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

1 files changed, 1 insertions, 30 deletions

diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index e371480d3639..dbe598de9b74 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -277,36 +277,7 @@ static loff_t flash_llseek(struct file *file, loff_t offset, int orig)
                 printk(KERN_DEBUG "flash_llseek: offset=0x%X, orig=0x%X.\n",
                        (unsigned int) offset, orig);
 
-        switch (orig) {
-        case 0:
-                if (offset < 0) {
-                        ret = -EINVAL;
-                        break;
-                }
-
-                if ((unsigned int) offset > gbFlashSize) {
-                        ret = -EINVAL;
-                        break;
-                }
-
-                file->f_pos = (unsigned int) offset;
-                ret = file->f_pos;
-                break;
-        case 1:
-                if ((file->f_pos + offset) > gbFlashSize) {
-                        ret = -EINVAL;
-                        break;
-                }
-                if ((file->f_pos + offset) < 0) {
-                        ret = -EINVAL;
-                        break;
-                }
-                file->f_pos += offset;
-                ret = file->f_pos;
-                break;
-        default:
-                ret = -EINVAL;
-        }
+        ret = no_seek_end_llseek_size(file, offset, orig, gbFlashSize);
         mutex_unlock(&flash_mutex);
         return ret;
 }