usb: gadget: gadgetfs: potential use after free in unbind()
ffs_data_put() can sometimes free "ffs" so I have moved the call down
a line below the dereference.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f394f29..1a66c5b 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1417,8 +1417,8 @@
usb_ep_free_request(ffs->gadget->ep0, ffs->ep0req);
ffs->ep0req = NULL;
ffs->gadget = NULL;
- ffs_data_put(ffs);
clear_bit(FFS_FL_BOUND, &ffs->flags);
+ ffs_data_put(ffs);
}
}