[PATCH 2/8] fs/ntfs3: Allow repeated call to ntfs3_put_sbi

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Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
 fs/ntfs3/bitmap.c |  1 +
 fs/ntfs3/super.c  | 21 ++++++++++++++++-----
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c
index d66055e30aff..63f14a0232f6 100644
--- a/fs/ntfs3/bitmap.c
+++ b/fs/ntfs3/bitmap.c
@@ -125,6 +125,7 @@ void wnd_close(struct wnd_bitmap *wnd)
     struct rb_node *node, *next;

     kfree(wnd->free_bits);
+    wnd->free_bits = NULL;
     run_close(&wnd->run);

     node = rb_first(&wnd->start_tree);
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index f78c67452b2a..71c80c578feb 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -576,20 +576,30 @@ static noinline void ntfs3_put_sbi(struct ntfs_sb_info *sbi)
     wnd_close(&sbi->mft.bitmap);
     wnd_close(&sbi->used.bitmap);

-    if (sbi->mft.ni)
+    if (sbi->mft.ni) {
         iput(&sbi->mft.ni->vfs_inode);
+        sbi->mft.ni = NULL;
+    }

-    if (sbi->security.ni)
+    if (sbi->security.ni) {
         iput(&sbi->security.ni->vfs_inode);
+        sbi->security.ni = NULL;
+    }

-    if (sbi->reparse.ni)
+    if (sbi->reparse.ni) {
         iput(&sbi->reparse.ni->vfs_inode);
+        sbi->reparse.ni = NULL;
+    }

-    if (sbi->objid.ni)
+    if (sbi->objid.ni) {
         iput(&sbi->objid.ni->vfs_inode);
+        sbi->objid.ni = NULL;
+    }

-    if (sbi->volume.ni)
+    if (sbi->volume.ni) {
         iput(&sbi->volume.ni->vfs_inode);
+        sbi->volume.ni = NULL;
+    }

     ntfs_update_mftmirr(sbi, 0);

@@ -1577,6 +1587,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
     iput(inode);
 out:
     kfree(boot2);
+    ntfs3_put_sbi(sbi);
     return err;
 }

--
2.34.1




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