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From: Greg KH on 22 Apr 2010 15:50
2.6.32-stable review patch. If anyone has any objections, please let us know.

------------------

From: Christian Pulvermacher <pulvermacher(a)gmx.de>

commit cfce08c6bdfb20ade979284e55001ca1f100ed51 upstream.

If the lower file system driver has extended attributes disabled,
ecryptfs' own access functions return -ENOSYS instead of -EOPNOTSUPP.
This breaks execution of programs in the ecryptfs mount, since the
kernel expects the latter error when checking for security
capabilities in xattrs.

Signed-off-by: Christian Pulvermacher <pulvermacher(a)gmx.de>
Signed-off-by: Tyler Hicks <tyhicks(a)linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
fs/ecryptfs/inode.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -998,7 +998,7 @@ ecryptfs_setxattr(struct dentry *dentry,

lower_dentry = ecryptfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->setxattr) {
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
goto out;
}
mutex_lock(&lower_dentry->d_inode->i_mutex);
@@ -1016,7 +1016,7 @@ ecryptfs_getxattr_lower(struct dentry *l
int rc = 0;

if (!lower_dentry->d_inode->i_op->getxattr) {
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
goto out;
}
mutex_lock(&lower_dentry->d_inode->i_mutex);
@@ -1043,7 +1043,7 @@ ecryptfs_listxattr(struct dentry *dentry

lower_dentry = ecryptfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->listxattr) {
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
goto out;
}
mutex_lock(&lower_dentry->d_inode->i_mutex);
@@ -1060,7 +1060,7 @@ static int ecryptfs_removexattr(struct d

lower_dentry = ecryptfs_dentry_to_lower(dentry);
if (!lower_dentry->d_inode->i_op->removexattr) {
- rc = -ENOSYS;
+ rc = -EOPNOTSUPP;
goto out;
}
mutex_lock(&lower_dentry->d_inode->i_mutex);


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