logfs get_sb massage, part 1

move allocation of logfs_super to logfs_get_sb, pass it to
logfs_get_sb_...().

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

1 files changed, 8 insertions, 4 deletions

diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index 9bd2ce2a3040..bca8e2a8e55b 100644
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -9,6 +9,7 @@
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
+#include <linux/slab.h>
 #include <linux/gfp.h>
 
 #define PAGE_OFS(ofs) ((ofs) & (PAGE_SIZE-1))
@@ -320,20 +321,23 @@ static const struct logfs_device_ops bd_devops = {
         .put_device     = bdev_put_device,
 };
 
-int logfs_get_sb_bdev(struct file_system_type *type, int flags,
+int logfs_get_sb_bdev(struct logfs_super *p,
+                struct file_system_type *type, int flags,
                 const char *devname, struct vfsmount *mnt)
 {
         struct block_device *bdev;
 
         bdev = open_bdev_exclusive(devname, FMODE_READ|FMODE_WRITE, type);
-        if (IS_ERR(bdev))
+        if (IS_ERR(bdev)) {
+                kfree(p);
                 return PTR_ERR(bdev);
+        }
 
         if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
                 int mtdnr = MINOR(bdev->bd_dev);
                 close_bdev_exclusive(bdev, FMODE_READ|FMODE_WRITE);
-                return logfs_get_sb_mtd(type, flags, mtdnr, mnt);
+                return logfs_get_sb_mtd(p, type, flags, mtdnr, mnt);
         }
 
-        return logfs_get_sb_device(type, flags, NULL, bdev, &bd_devops, mnt);
+        return logfs_get_sb_device(p, type, flags, NULL, bdev, &bd_devops, mnt);
 }