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* [patch 2/2] usb: gadget: printer: use after free in gprinter_alloc_inst()
@ 2015-03-13  9:11 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2015-03-13  9:11 UTC (permalink / raw)
  To: kernel-janitors

There was a missing goto so we free "opts" and then dereference it.

Fixes: ee1cd515e889 ('usb: gadget: printer: add configfs support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index caa56de..48882ec 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -1307,6 +1307,7 @@ static struct usb_function_instance *gprinter_alloc_inst(void)
 		kfree(opts);
 		if (idr_is_empty(&printer_ida.idr))
 			gprinter_cleanup();
+		goto unlock;
 	}
 	config_group_init_type_name(&opts->func_inst.group, "",
 				    &printer_func_type);

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2015-03-13  9:11 [patch 2/2] usb: gadget: printer: use after free in gprinter_alloc_inst() Dan Carpenter

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