[fullquote deleted]
On Tue, Oct 12, 2021 at 08:25:23AM -0300, Gabriel Krisman Bertazi wrote:
> > @@ -187,6 +207,7 @@ EXPORT_SYMBOL(utf8_load);
> >
> > void utf8_unload(struct unicode_map *um)
> > {
> > + symbol_put(utf8_data_table);
>
> This triggers a BUG_ON if the symbol isn't loaded/loadable,
> i.e. ext4_fill_super fails early. I'm not sure how to fix it, though.
Does this fix it?
diff --git a/fs/unicode/utf8-core.c b/fs/unicode/utf8-core.c
index 38ca824f10158..67aaadc3ab072 100644
--- a/fs/unicode/utf8-core.c
+++ b/fs/unicode/utf8-core.c
@@ -207,8 +207,10 @@ EXPORT_SYMBOL(utf8_load);
void utf8_unload(struct unicode_map *um)
{
- symbol_put(utf8_data_table);
- kfree(um);
+ if (um) {
+ symbol_put(utf8_data_table);
+ kfree(um);
+ }
}
EXPORT_SYMBOL(utf8_unload);
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