Update to support Linux 3.14/3.15

[yaffs2.git] / yaffs_vfs_single.c

diff --git a/yaffs_vfs_single.c b/yaffs_vfs_single.c
index 8d41f69a2b1f830028c060e08624a4e6dfcaa4ef..232dc2625328a7173509456dcf227c7411d9da5b 100644 (file)
--- a/yaffs_vfs_single.c
+++ b/yaffs_vfs_single.c
@@ -1912,6 +1912,7 @@ static void yaffs_fill_inode_from_obj(struct inode *inode,
 static void yaffs_put_super(struct super_block *sb)
 {
        struct yaffs_dev *dev = yaffs_super_to_dev(sb);
+       struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
 
        yaffs_trace(YAFFS_TRACE_OS, "yaffs_put_super");
 
@@ -1941,16 +1942,14 @@ static void yaffs_put_super(struct super_block *sb)
        }
 
        kfree(dev);
-}
 
-static void yaffs_mtd_put_super(struct super_block *sb)
-{
-       struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_super_to_dev(sb));
 
-       if (mtd->sync)
+
+       if (mtd && mtd->sync)
                mtd->sync(mtd);
 
-       put_mtd_device(mtd);
+       if (mtd)
+               put_mtd_device(mtd);
 }
 
 static const struct super_operations yaffs_super_ops = {
@@ -2034,7 +2033,7 @@ static struct super_block *yaffs_internal_read_super(int yaffs_version,
 
        /* Get the device */
        mtd = get_mtd_device(NULL, MINOR(sb->s_dev));
-       if (!mtd) {
+       if (IS_ERR(mtd)) {
                yaffs_trace(YAFFS_TRACE_ALWAYS,
                        "MTD device #%u doesn't appear to exist",
                        MINOR(sb->s_dev));
@@ -2128,9 +2127,7 @@ static struct super_block *yaffs_internal_read_super(int yaffs_version,
                kfree(context);
                dev = NULL;
                context = NULL;
-       }
 
-       if (!dev) {
                /* Deep shit could not allocate device structure */
                yaffs_trace(YAFFS_TRACE_ALWAYS,
                        "yaffs_read_super failed trying to allocate yaffs_dev");
@@ -2213,7 +2210,7 @@ static struct super_block *yaffs_internal_read_super(int yaffs_version,
        yaffs_dev_to_lc(dev)->put_super_fn = yaffs_mtd_put_super;
 
        param->sb_dirty_fn = yaffs_touch_super;
-       param->gc_control = yaffs_gc_control_callback;
+       param->gc_control_fn = yaffs_gc_control_callback;
 
        yaffs_dev_to_lc(dev)->super = sb;