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ecryptfs: fix error code for missing xattrs in lower fs

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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@gmx.de>
Cc: stable@kernel.org
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Christian Pulvermacher 2010-03-23 11:51:38 -05:00 committed by Tyler Hicks
parent 3a60a1686f
commit cfce08c6bd
1 changed files with 4 additions and 4 deletions
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8
fs/ecryptfs/inode.c
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@ -1043,7 +1043,7 @@ ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
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);
@ -1061,7 +1061,7 @@ ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name,
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);
@ -1088,7 +1088,7 @@ ecryptfs_listxattr(struct dentry *dentry, char *list, size_t size)
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);
@ -1105,7 +1105,7 @@ static int ecryptfs_removexattr(struct dentry *dentry, const char *name)
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);