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* [PATCH -next] usb: gadget: fix error return code in acm_ms_bind()
@ 2019-11-06 15:39 Wei Yongjun
  0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2019-11-06 15:39 UTC (permalink / raw)
  To: Felipe Balbi, Greg Kroah-Hartman, zhengbin, Li Jun
  Cc: Wei Yongjun, linux-usb, kernel-janitors

Fix to return negative error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 578aa8a2b12c ("usb: gadget: acm_ms: allocate and init otg descriptor by otg capabilities")
Signed-off-by: Wei Yongjun <>
 drivers/usb/gadget/legacy/acm_ms.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c
index 59be2d8417c9..e8033e5f0c18 100644
--- a/drivers/usb/gadget/legacy/acm_ms.c
+++ b/drivers/usb/gadget/legacy/acm_ms.c
@@ -200,8 +200,10 @@ static int acm_ms_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail_string_ids;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;

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2019-11-06 15:39 [PATCH -next] usb: gadget: fix error return code in acm_ms_bind() Wei Yongjun

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