3.18-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 42d6cfa0caec4b68a7f17147fbf13a36e94a8bf2 ]
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.carpen...@oracle.com>
Signed-off-by: Felipe Balbi <ba...@ti.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
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 e2d57e3d67c7..7974956e8ded 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -442,6 +442,7 @@ 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;
}
--
2.17.1
