diff options
| -rw-r--r-- | fs/ntfs3/xattr.c | 44 |
1 files changed, 14 insertions, 30 deletions
diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index 2b4019ecd004..aeee5fb12092 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -781,11 +781,9 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, { int err; struct ntfs_inode *ni = ntfs_i(inode); - size_t name_len = strlen(name); /* Dispatch request. */ - if (name_len == sizeof(SYSTEM_DOS_ATTRIB) - 1 && - !memcmp(name, SYSTEM_DOS_ATTRIB, sizeof(SYSTEM_DOS_ATTRIB))) { + if (!strcmp(name, SYSTEM_DOS_ATTRIB)) { /* system.dos_attrib */ if (!buffer) { err = sizeof(u8); @@ -798,8 +796,7 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, goto out; } - if (name_len == sizeof(SYSTEM_NTFS_ATTRIB) - 1 && - !memcmp(name, SYSTEM_NTFS_ATTRIB, sizeof(SYSTEM_NTFS_ATTRIB))) { + if (!strcmp(name, SYSTEM_NTFS_ATTRIB)) { /* system.ntfs_attrib */ if (!buffer) { err = sizeof(u32); @@ -812,8 +809,7 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, goto out; } - if (name_len == sizeof(SYSTEM_NTFS_SECURITY) - 1 && - !memcmp(name, SYSTEM_NTFS_SECURITY, sizeof(SYSTEM_NTFS_SECURITY))) { + if (!strcmp(name, SYSTEM_NTFS_SECURITY)) { /* system.ntfs_security*/ struct SECURITY_DESCRIPTOR_RELATIVE *sd = NULL; size_t sd_size = 0; @@ -853,16 +849,12 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, } #ifdef CONFIG_NTFS3_FS_POSIX_ACL - if ((name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 && - !memcmp(name, XATTR_NAME_POSIX_ACL_ACCESS, - sizeof(XATTR_NAME_POSIX_ACL_ACCESS))) || - (name_len == sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1 && - !memcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT, - sizeof(XATTR_NAME_POSIX_ACL_DEFAULT)))) { + if (!strcmp(name, XATTR_NAME_POSIX_ACL_ACCESS) || + !strcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT)) { /* TODO: init_user_ns? */ err = ntfs_xattr_get_acl( &init_user_ns, inode, - name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 + strlen(name) == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 ? ACL_TYPE_ACCESS : ACL_TYPE_DEFAULT, buffer, size); @@ -870,7 +862,7 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, } #endif /* Deal with NTFS extended attribute. */ - err = ntfs_get_ea(inode, name, name_len, buffer, size, NULL); + err = ntfs_get_ea(inode, name, strlen(name), buffer, size, NULL); out: return err; @@ -887,20 +879,17 @@ static noinline int ntfs_setxattr(const struct xattr_handler *handler, { int err = -EINVAL; struct ntfs_inode *ni = ntfs_i(inode); - size_t name_len = strlen(name); enum FILE_ATTRIBUTE new_fa; /* Dispatch request. */ - if (name_len == sizeof(SYSTEM_DOS_ATTRIB) - 1 && - !memcmp(name, SYSTEM_DOS_ATTRIB, sizeof(SYSTEM_DOS_ATTRIB))) { + if (!strcmp(name, SYSTEM_DOS_ATTRIB)) { if (sizeof(u8) != size) goto out; new_fa = cpu_to_le32(*(u8 *)value); goto set_new_fa; } - if (name_len == sizeof(SYSTEM_NTFS_ATTRIB) - 1 && - !memcmp(name, SYSTEM_NTFS_ATTRIB, sizeof(SYSTEM_NTFS_ATTRIB))) { + if (!strcmp(name, SYSTEM_NTFS_ATTRIB)) { if (size != sizeof(u32)) goto out; new_fa = cpu_to_le32(*(u32 *)value); @@ -938,8 +927,7 @@ set_new_fa: goto out; } - if (name_len == sizeof(SYSTEM_NTFS_SECURITY) - 1 && - !memcmp(name, SYSTEM_NTFS_SECURITY, sizeof(SYSTEM_NTFS_SECURITY))) { + if (!strcmp(name, SYSTEM_NTFS_SECURITY)) { /* system.ntfs_security*/ __le32 security_id; bool inserted; @@ -982,15 +970,11 @@ set_new_fa: } #ifdef CONFIG_NTFS3_FS_POSIX_ACL - if ((name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 && - !memcmp(name, XATTR_NAME_POSIX_ACL_ACCESS, - sizeof(XATTR_NAME_POSIX_ACL_ACCESS))) || - (name_len == sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1 && - !memcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT, - sizeof(XATTR_NAME_POSIX_ACL_DEFAULT)))) { + if (!strcmp(name, XATTR_NAME_POSIX_ACL_ACCESS) || + !strcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT)) { err = ntfs_xattr_set_acl( mnt_userns, inode, - name_len == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 + strlen(name) == sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1 ? ACL_TYPE_ACCESS : ACL_TYPE_DEFAULT, value, size); @@ -998,7 +982,7 @@ set_new_fa: } #endif /* Deal with NTFS extended attribute. */ - err = ntfs_set_ea(inode, name, name_len, value, size, flags, 0); + err = ntfs_set_ea(inode, name, strlen(name), value, size, flags, 0); out: inode->i_ctime = current_time(inode); |