commit d8c9584ea2a92879f471fd3a2be3af6c534fb035
author Al Viro <viro@zeniv.linux.org.uk> Wed Dec 07 18:16:57 2011 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Fri Jan 06 23:16:53 2012 -0500
tree 3541b9c6228f820bdc65e4875156eb27b1c91cb1
parent ece2ccb668046610189d88d6aaf05aeb09c988a1

vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb

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

fs/binfmt_misc.c

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 1e9edbd..a9198df 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -560,7 +560,7 @@
 			break;
 		case 2: set_bit(Enabled, &e->flags);
 			break;
-		case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
+		case 3: root = dget(file->f_path.dentry->d_sb->s_root);
 			mutex_lock(&root->d_inode->i_mutex);
 
 			kill_node(e);
@@ -587,7 +587,7 @@
 	Node *e;
 	struct inode *inode;
 	struct dentry *root, *dentry;
-	struct super_block *sb = file->f_path.mnt->mnt_sb;
+	struct super_block *sb = file->f_path.dentry->d_sb;
 	int err = 0;
 
 	e = create_entry(buffer, count);
@@ -666,7 +666,7 @@
 	switch (res) {
 		case 1: enabled = 0; break;
 		case 2: enabled = 1; break;
-		case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
+		case 3: root = dget(file->f_path.dentry->d_sb->s_root);
 			mutex_lock(&root->d_inode->i_mutex);
 
 			while (!list_empty(&entries))