From 42d6cfa0caec4b68a7f17147fbf13a36e94a8bf2 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 6 Jan 2015 13:19:21 +0300
Subject: [PATCH] usb: gadget: gadgetfs: fix an oops in ep_write()
We try to free an ERR_PTR on this error path.
Fixes: b44be2462dbe ('usb: gadget: gadgetfs: Free memory allocated by memdup_user()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
drivers/usb/gadget/legacy/inode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 08048613eed6b..db49ec4c748e9 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -441,6 +441,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
kbuf = memdup_user(buf, len);
if (IS_ERR(kbuf)) {
value = PTR_ERR(kbuf);
+ kbuf = NULL;
goto free1;
}
--
2.30.2