From 6ce638367382ea8015cf64619e9bca4e207ef36f Mon Sep 17 00:00:00 2001 From: Fabian Frederick Date: Wed, 8 Apr 2015 21:23:57 +0200 Subject: udf: Make udf_get_filename() return error instead of 0 length file name Zero length file name isn't really valid. So check the length of the final file name generated by udf_translate_to_linux() and return -EINVAL instead of zero length file name. Update caller of udf_get_filename() to not check for 0 return value. Signed-off-by: Fabian Frederick Signed-off-by: Jan Kara --- fs/udf/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/udf/dir.c') diff --git a/fs/udf/dir.c b/fs/udf/dir.c index fcf227eb2c51..541d9c65014d 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -168,7 +168,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) } flen = udf_get_filename(sb, nameptr, lfi, fname, UDF_NAME_LEN); - if (flen <= 0) + if (flen < 0) continue; tloc = lelb_to_cpu(cfi.icb.extLocation); -- cgit v1.2.3