udf: improve error management in udf_CS0toUTF8()
udf_CS0toUTF8() now returns -EINVAL on error.
udf_load_pvoldesc() and udf_get_filename() do the same.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 41c3bef..35cc947 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -89,7 +89,7 @@
* both of type "struct ustr *"
*
* POST-CONDITIONS
- * <return> Zero on success.
+ * <return> >= 0 on success.
*
* HISTORY
* November 12, 1997 - Andrew E. Mileski
@@ -112,7 +112,7 @@
memset(utf_o, 0, sizeof(struct ustr));
pr_err("unknown compression code (%d) stri=%s\n",
cmp_id, ocu_i->u_name);
- return 0;
+ return -EINVAL;
}
ocu = ocu_i->u_name;
@@ -350,7 +350,8 @@
udf_build_ustr_exact(unifilename, sname, slen);
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
- if (!udf_CS0toUTF8(filename, unifilename)) {
+ ret = udf_CS0toUTF8(filename, unifilename);
+ if (ret < 0) {
udf_debug("Failed in udf_get_filename: sname = %s\n",
sname);
goto out2;