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 4.4-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-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f1d3861d63a5d79b8968a02eea1dcb01bb684e62 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@xxxxxxx>
Date: Tue, 8 Nov 2016 10:10:44 +0800
Subject: usb: gadget: f_uac2: fix error handling at afunc_bind
From: Peter Chen <peter.chen@xxxxxxx>
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 <peter.chen@xxxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/function/f_uac2.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -1079,13 +1079,13 @@ 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;
@@ -1102,7 +1102,7 @@ afunc_bind(struct usb_configuration *cfg
ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL);
if (ret)
- goto err;
+ return ret;
prm = &agdev->uac2.c_prm;
prm->max_psize = hs_epout_desc.wMaxPacketSize;
@@ -1117,19 +1117,19 @@ 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 peter.chen@xxxxxxx are
queue-4.4/usb-gadget-f_uac2-fix-error-handling-at-afunc_bind.patch
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