fnic: switch to fixed_size_llseek()

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

1 files changed, 2 insertions, 14 deletions

diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c
index 85e1ffd0e5c5..cbcb0121c84d 100644
--- a/drivers/scsi/fnic/fnic_debugfs.c
+++ b/drivers/scsi/fnic/fnic_debugfs.c
@@ -164,20 +164,8 @@ static loff_t fnic_trace_debugfs_lseek(struct file *file,
                                         int howto)
 {
         fnic_dbgfs_t *fnic_dbg_prt = file->private_data;
-        loff_t pos = -1;
-
-        switch (howto) {
-        case 0:
-                pos = offset;
-                break;
-        case 1:
-                pos = file->f_pos + offset;
-                break;
-        case 2:
-                pos = fnic_dbg_prt->buffer_len + offset;
-        }
-        return (pos < 0 || pos > fnic_dbg_prt->buffer_len) ?
-                          -EINVAL : (file->f_pos = pos);
+        return fixed_size_llseek(file, offset, howto,
+                                fnic_dbg_prt->buffer_len);
 }
 
 /*