X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fnamei.c;h=c7e43536c49ad06433c5963c446ce936e0f94e9f;hb=b212f3378a9cfca4da52d7c7e6f79ead8ec287fc;hp=e179f71bfcb058df613f83cb1ff923d47ffc4618;hpb=36d99df2fb474222ab47fbe8ae7385661033223b;p=linux-2.6-omap-h63xx.git

diff --git a/fs/namei.c b/fs/namei.c
index e179f71bfcb..c7e43536c49 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -30,6 +30,7 @@
 #include <linux/capability.h>
 #include <linux/file.h>
 #include <linux/fcntl.h>
+#include <linux/device_cgroup.h>
 #include <asm/namei.h>
 #include <asm/uaccess.h>
 
@@ -281,6 +282,10 @@ int permission(struct inode *inode, int mask, struct nameidata *nd)
 	if (retval)
 		return retval;
 
+	retval = devcgroup_inode_permission(inode, mask);
+	if (retval)
+		return retval;
+
 	return security_inode_permission(inode, mask, nd);
 }
 
@@ -1998,18 +2003,22 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir)
 	if (IS_ERR(dentry))
 		goto fail;
 
+	if (dentry->d_inode)
+		goto eexist;
 	/*
 	 * Special case - lookup gave negative, but... we had foo/bar/
 	 * From the vfs_mknod() POV we just have a negative dentry -
 	 * all is fine. Let's be bastards - you had / on the end, you've
 	 * been asking for (non-existent) directory. -ENOENT for you.
 	 */
-	if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode)
-		goto enoent;
+	if (unlikely(!is_dir && nd->last.name[nd->last.len])) {
+		dput(dentry);
+		dentry = ERR_PTR(-ENOENT);
+	}
 	return dentry;
-enoent:
+eexist:
 	dput(dentry);
-	dentry = ERR_PTR(-ENOENT);
+	dentry = ERR_PTR(-EEXIST);
 fail:
 	return dentry;
 }
@@ -2028,6 +2037,10 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 	if (!dir->i_op || !dir->i_op->mknod)
 		return -EPERM;
 
+	error = devcgroup_inode_mknod(mode, dev);
+	if (error)
+		return error;
+
 	error = security_inode_mknod(dir, dentry, mode, dev);
 	if (error)
 		return error;