Date: Mon, 13 Aug 2012 18:34:04 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r239240 - head/sys/dev/usb Message-ID: <201208131834.q7DIY4MX077061@svn.freebsd.org>
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Author: hselasky Date: Mon Aug 13 18:34:04 2012 New Revision: 239240 URL: http://svn.freebsd.org/changeset/base/239240 Log: Fix for missing locks due to recent change. PR: usb/170606 MFC after: 2 weeks Modified: head/sys/dev/usb/usb_device.c Modified: head/sys/dev/usb/usb_device.c ============================================================================== --- head/sys/dev/usb/usb_device.c Mon Aug 13 18:10:52 2012 (r239239) +++ head/sys/dev/usb/usb_device.c Mon Aug 13 18:34:04 2012 (r239240) @@ -2777,8 +2777,15 @@ usbd_set_endpoint_mode(struct usb_device uint8_t ep_mode) { usb_error_t error; + uint8_t do_unlock; - sx_assert(&udev->enum_sx, SA_LOCKED); + /* automatic locking */ + if (usbd_enum_is_locked(udev)) { + do_unlock = 0; + } else { + do_unlock = 1; + usbd_enum_lock(udev); + } if (udev->bus->methods->set_endpoint_mode != NULL) { error = (udev->bus->methods->set_endpoint_mode) ( @@ -2792,6 +2799,9 @@ usbd_set_endpoint_mode(struct usb_device /* only set new mode regardless of error */ ep->ep_mode = ep_mode; + if (do_unlock) + usbd_enum_unlock(udev); + return (error); }
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