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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-03-13 12:11:42 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-03-13 18:41:01 +0300 |
| commit | 2bb2077ee607703771c35ed74837180760f9ce07 (patch) | |
| tree | 9ac6228d2899917050408ffab900912aae8e168e /drivers/usb/gadget | |
| parent | fdb51e3d97552413c851bf8426ef69508389df88 (diff) | |
| download | linux-2bb2077ee607703771c35ed74837180760f9ce07.tar.xz | |
usb: gadget: printer: use after free in gprinter_alloc_inst()
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>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_printer.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index caa56de3a3e8..48882ecf1610 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); |