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Groups > linux.kernel > #1235005

[PATCH v3 2/4] usb: gadget: f_midi: free request when usb_ep_queue fails

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This fix a memory leak that will occur in this case.

Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
---
 drivers/usb/gadget/function/f_midi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 93212ca..163c0ce 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -546,9 +546,11 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req)
 		int err;
 
 		err = usb_ep_queue(ep, req, GFP_ATOMIC);
-		if (err < 0)
+		if (err < 0) {
 			ERROR(midi, "%s queue req: %d\n",
 			      midi->in_ep->name, err);
+			free_ep_req(ep, req);
+		}
 	} else {
 		free_ep_req(ep, req);
 	}
-- 
2.1.4

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[PATCH v3 2/4] usb: gadget: f_midi: free request when usb_ep_queue fails "Felipe F. Tonello" <eu@felipetonello.com> - 2015-09-29 14:10 +0200

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