[PATCH] sh: intc: Fix possible UAF in register_intc_controller

From: Chen Ridong <[email protected]>

When it goes to error, the 'd' is freed, but 'd->list' was not deleted
from 'intc_list', which may lead to a UAF.

Fixes: 01e9651a21bc ("sh: add INTC out of memory error handling")
Signed-off-by: Chen Ridong <[email protected]>
---
 drivers/sh/intc/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 74350b5871dc..a30d205e7a43 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -387,6 +387,7 @@ int __init register_intc_controller(struct intc_desc *desc)
 
 	kfree(d->window);
 err1:
+	list_del(&d->list);
 	kfree(d);
 err0:
 	pr_err("unable to allocate INTC memory\n");
-- 
2.34.1