diff options
Diffstat (limited to 'fs/reiserfs/xattr_security.c')
-rw-r--r-- | fs/reiserfs/xattr_security.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c index 20be9a0e5870..159af6c26f4b 100644 --- a/fs/reiserfs/xattr_security.c +++ b/fs/reiserfs/xattr_security.c @@ -49,6 +49,7 @@ int reiserfs_security_init(struct inode *dir, struct inode *inode, int error; sec->name = NULL; + sec->value = NULL; /* Don't add selinux attributes on xattrs - they'll never get used */ if (IS_PRIVATE(dir)) @@ -80,11 +81,15 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th, struct inode *inode, struct reiserfs_security_handle *sec) { + char xattr_name[XATTR_NAME_MAX + 1] = XATTR_SECURITY_PREFIX; int error; - if (strlen(sec->name) < sizeof(XATTR_SECURITY_PREFIX)) + + if (XATTR_SECURITY_PREFIX_LEN + strlen(sec->name) > XATTR_NAME_MAX) return -EINVAL; - error = reiserfs_xattr_set_handle(th, inode, sec->name, sec->value, + strlcat(xattr_name, sec->name, sizeof(xattr_name)); + + error = reiserfs_xattr_set_handle(th, inode, xattr_name, sec->value, sec->length, XATTR_CREATE); if (error == -ENODATA || error == -EOPNOTSUPP) error = 0; @@ -94,7 +99,6 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th, void reiserfs_security_free(struct reiserfs_security_handle *sec) { - kfree(sec->name); kfree(sec->value); sec->name = NULL; sec->value = NULL; |