dm dust: change ret to r in dust_map_write

In the dust_map_write() function, change the return code variable
"ret" to "r", to match the convention of the other device-mapper
targets.

Signed-off-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-dust.c b/drivers/md/dm-dust.c
index eb37584427a42b1daa71cd705ddc4692479b6ea5..ff03b90072c54b2e1decc48b8f98842b286018d6 100644 (file)
--- a/drivers/md/dm-dust.c
+++ b/drivers/md/dm-dust.c
@@ -207,16 +207,16 @@ static int dust_map_write(struct dust_device *dd, sector_t thisblock,
                          bool fail_read_on_bb)
 {
        unsigned long flags;
-       int ret = DM_MAPIO_REMAPPED;
+       int r = DM_MAPIO_REMAPPED;
 
        if (fail_read_on_bb) {
                thisblock >>= dd->sect_per_block_shift;
                spin_lock_irqsave(&dd->dust_lock, flags);
-               ret = __dust_map_write(dd, thisblock);
+               r = __dust_map_write(dd, thisblock);
                spin_unlock_irqrestore(&dd->dust_lock, flags);
        }
 
-       return ret;
+       return r;
 }
 
 static int dust_map(struct dm_target *ti, struct bio *bio)