3 files changed, 11 insertions, 10 deletions
diff --git a/fs/9p/mux.c b/fs/9p/mux.c
index f4407eb..12e1baa 100644
--- a/fs/9p/mux.c
+++ b/fs/9p/mux.c
@@ -712,7 +712,7 @@ static void v9fs_read_work(void *a)
  * v9fs_send_request - send 9P request
  * The function can sleep until the request is scheduled for sending.
  * The function can be interrupted. Return from the function is not
- * a guarantee that the request is sent succesfully. Can return errors
+ * a guarantee that the request is sent successfully. Can return errors
  * that can be retrieved by PTR_ERR macros.
  *
  * @m: mux data
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 2cb87ba..5c6bdf8 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -530,9 +530,6 @@ error:
 	if (vfid)
 		v9fs_fid_destroy(vfid);
 
-	if (inode)
-		iput(inode);
-
 	return err;
 }
 
@@ -1054,6 +1051,9 @@ static int v9fs_vfs_readlink(struct dentry *dentry, char __user * buffer,
 	int ret;
 	char *link = __getname();
 
+	if (unlikely(!link))
+		return -ENOMEM;
+
 	if (buflen > PATH_MAX)
 		buflen = PATH_MAX;
 
@@ -1171,9 +1171,6 @@ error:
 	if (vfid)
 		v9fs_fid_destroy(vfid);
 
-	if (inode)
-		iput(inode);
-
 	return err;
 
 }
@@ -1227,6 +1224,9 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
 	}
 
 	name = __getname();
+	if (unlikely(!name))
+		return -ENOMEM;
+
 	sprintf(name, "%d\n", oldfid->fid);
 	retval = v9fs_vfs_mkspecial(dir, dentry, V9FS_DMLINK, name);
 	__putname(name);
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 8729430..8b15bb2 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -256,11 +256,12 @@ static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt)
 }
 
 static void
-v9fs_umount_begin(struct super_block *sb)
+v9fs_umount_begin(struct vfsmount *vfsmnt, int flags)
 {
-	struct v9fs_session_info *v9ses = sb->s_fs_info;
+	struct v9fs_session_info *v9ses = vfsmnt->mnt_sb->s_fs_info;
 
-	v9fs_session_cancel(v9ses);
+	if (flags & MNT_FORCE)
+		v9fs_session_cancel(v9ses);
 }
 
 static struct super_operations v9fs_super_ops = {