From d4529f9be1d72919f75f76f31773c4e98d03ce6b Mon Sep 17 00:00:00 2001
From: Krzysztof Opasiak <k.opasiak@samsung.com>
Date: Sun, 22 May 2016 11:08:14 +0200
Subject: usb: gadget: uac2: Drop unused device qualifier descriptor
This descriptor is never used. Currently device qualifier
descriptor is generated by compossite code so no need to
keep it in function file.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Krzysztof Opasiak <kopasiak90@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---
drivers/usb/gadget/function/f_uac2.c | 12 ------------
1 file changed, 12 deletions(-)
(limited to 'drivers/usb/gadget/function/f_uac2.c')
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 186d4b162524..1c81dd3b0cd4 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -598,18 +598,6 @@ static struct usb_gadget_strings *fn_strings[] = {
NULL,
};
-static struct usb_qualifier_descriptor devqual_desc = {
- .bLength = sizeof devqual_desc,
- .bDescriptorType = USB_DT_DEVICE_QUALIFIER,
-
- .bcdUSB = cpu_to_le16(0x200),
- .bDeviceClass = USB_CLASS_MISC,
- .bDeviceSubClass = 0x02,
- .bDeviceProtocol = 0x01,
- .bNumConfigurations = 1,
- .bRESERVED = 0,
-};
-
static struct usb_interface_assoc_descriptor iad_desc = {
.bLength = sizeof iad_desc,
.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
--
cgit v1.2.3-70-g09d2
From ffeee83aa0461992e8a99a59db2df31933e60362 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 8 May 2016 23:20:59 +0200
Subject: usb: gadget: avoid exposing kernel stack
Function in_rq_cur copies random bytes from the stack.
Zero the memory instead.
Fixes: 132fcb460839 ("usb: gadget: Add Audio Class 2.0 Driver")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---
drivers/usb/gadget/function/f_uac2.c | 1 +
1 file changed, 1 insertion(+)
(limited to 'drivers/usb/gadget/function/f_uac2.c')
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 1c81dd3b0cd4..cd214ec8a601 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -1280,6 +1280,7 @@ in_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr)
if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
struct cntrl_cur_lay3 c;
+ memset(&c, 0, sizeof(struct cntrl_cur_lay3));
if (entity_id == USB_IN_CLK_ID)
c.dCUR = p_srate;
--
cgit v1.2.3-70-g09d2