diff options
Diffstat (limited to 'fs/fs_parser.c')
| -rw-r--r-- | fs/fs_parser.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/fs_parser.c b/fs/fs_parser.c index 460ea4206fa2..d1930adce68d 100644 --- a/fs/fs_parser.c +++ b/fs/fs_parser.c @@ -204,9 +204,23 @@ int fs_parse(struct fs_context *fc, goto okay; case fs_param_is_fd: { - if (param->type != fs_value_is_file) + switch (param->type) { + case fs_value_is_string: + if (!result->has_value) + goto bad_value; + + ret = kstrtouint(param->string, 0, &result->uint_32); + break; + case fs_value_is_file: + result->uint_32 = param->dirfd; + ret = 0; + default: goto bad_value; - goto okay; + } + + if (result->uint_32 > INT_MAX) + goto bad_value; + goto maybe_okay; } case fs_param_is_blockdev: |