mtd: do not use mtd->sync directly

This patch teaches 'mtd_sync()' to do nothing when the MTD driver does
not have the '->sync()' method, which allows us to remove all direct
'mtd->sync' accesses.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index e78bf3cd1b73..5863a369d929 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -336,9 +336,7 @@ static void jffs2_put_super (struct super_block *sb)
         jffs2_flash_cleanup(c);
         kfree(c->inocache_list);
         jffs2_clear_xattr_subsystem(c);
-        if (c->mtd->sync)
-                mtd_sync(c->mtd);
-
+        mtd_sync(c->mtd);
         D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
 }