diff options
| author | Zqiang <qiang.zhang@windriver.com> | 2020-12-10 05:01:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-12 22:18:21 +0300 |
| commit | e698e1478be7c497c06b01099cd70a252d795810 (patch) | |
| tree | 3a6c31163bab8770e46118d2467300e540762d4e | |
| parent | c4aa893e2e0dd320e88008895c9a3a47cc17895f (diff) | |
| download | linux-e698e1478be7c497c06b01099cd70a252d795810.tar.xz | |
usb: gadget: function: printer: Fix a memory leak for interface descriptor
commit 2cc332e4ee4febcbb685e2962ad323fe4b3b750a upstream.
When printer driver is loaded, the printer_func_bind function is called, in
this function, the interface descriptor be allocated memory, if after that,
the error occurred, the interface descriptor memory need to be free.
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Link: https://lore.kernel.org/r/20201210020148.6691-1-qiang.zhang@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 64a4112068fc..2f1eb2e81d30 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1162,6 +1162,7 @@ fail_tx_reqs: printer_req_free(dev->in_ep, req); } + usb_free_all_descriptors(f); return ret; } |