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Patch "usb: gadget: f_uac2: fix error handling at afunc_bind" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Jan 3, 2017

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This is a note to let you know that I've just added the patch titled

usb: gadget: f_uac2: fix error handling at afunc_bind

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
usb-gadget-f_uac2-fix-error-handling-at-afunc_bind.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From f1d3861d63a5d79b8968a02eea1dcb01bb684e62 Mon Sep 17 00:00:00 2001

From: Peter Chen <[email protected]>
Date: Tue, 8 Nov 2016 10:10:44 +0800
Subject: usb: gadget: f_uac2: fix error handling at afunc_bind

From: Peter Chen <[email protected]>

commit f1d3861d63a5d79b8968a02eea1dcb01bb684e62 upstream.

The current error handling flow uses incorrect goto label, fix it

Fixes d12a8727171c ("usb: gadget: function: Remove redundant usb_free_all_descriptors")
Signed-off-by Peter Chen <[email protected]>
Signed-off-by Felipe Balbi <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 drivers/usb/gadget/function/f_uac2.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
drivers/usb/gadget/function/f_uac2.c +7 -7
@@ -1067,13 +1067,13 @@ afunc_bind(struct usb_configuration *cfg
 	agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
 	if (!agdev->out_ep) {
 		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
-		goto err;
+		return ret;
 	}
 
 	agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc);
 	if (!agdev->in_ep) {
 		dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
-		goto err;
+		return ret;
 	}
 
 	uac2->p_prm.uac2 = uac2;

@@ -1091,7 +1091,7 @@ afunc_bind(struct usb_configuration *cfg
 	ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL,
 				     NULL);
 	if (ret)
-		goto err;
+		return ret;
 
 	prm = &agdev->uac2.c_prm;
 	prm->max_psize = hs_epout_desc.wMaxPacketSize;

@@ -1106,19 +1106,19 @@ afunc_bind(struct usb_configuration *cfg
 	prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL);
 	if (!prm->rbuf) {
 		prm->max_psize = 0;
-		goto err_free_descs;
+		goto err;
 	}
 
 	ret = alsa_uac2_init(agdev);
 	if (ret)
-		goto err_free_descs;
+		goto err;
 	return 0;
 
-err_free_descs:
-	usb_free_all_descriptors(fn);
 err:
 	kfree(agdev->uac2.p_prm.rbuf);
 	kfree(agdev->uac2.c_prm.rbuf);
+err_free_descs:
+	usb_free_all_descriptors(fn);
 	return -EINVAL;
 }

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/usb-gadget-f_uac2-fix-error-handling-at-afunc_bind.patch