Linux v4.0-rc5-53-gc875f421097a
This commit is contained in:
Josh Boyer
parent
243dfca335
commit
9d4f1f0029
15
kernel.spec
15
kernel.spec
@ -40,7 +40,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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%global baserelease 3
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%global baserelease 1
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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@ -68,7 +68,7 @@ Summary: The Linux kernel
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# The rc snapshot level
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%define rcrev 5
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# The git snapshot level
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%define gitrev 1
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%define gitrev 2
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# Set rpm version accordingly
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%define rpmversion 4.%{upstream_sublevel}.0
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%endif
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@ -615,8 +615,6 @@ Patch26139: Bluetooth-ath3k-Add-support-Atheros-AR5B195-combo-Mi.patch
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#rhbz 1196825
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Patch26140: security-yama-Remove-unnecessary-selects-from-Kconfi.patch
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Patch26141: mfd-rtsx_usb-prevent-DMA-from-stack.patch
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#CVE-2014-8159 rhbz 1181166 1200950
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Patch26167: IB-core-Prevent-integer-overflow-in-ib_umem_get-addr.patch
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@ -633,6 +631,8 @@ Patch26173: drm-i915-Don-t-try-to-reference-the-fb-in-get_initia.patch
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#rhbz 1203584
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Patch26174: Input-ALPS-fix-max-coordinates-for-v5-and-v7-protoco.patch
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#atch26175: intel.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1359,8 +1359,6 @@ ApplyPatch Bluetooth-ath3k-Add-support-Atheros-AR5B195-combo-Mi.patch
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#rhbz 1196825
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ApplyPatch security-yama-Remove-unnecessary-selects-from-Kconfi.patch
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ApplyPatch mfd-rtsx_usb-prevent-DMA-from-stack.patch
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#CVE-2014-8159 rhbz 1181166 1200950
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ApplyPatch IB-core-Prevent-integer-overflow-in-ib_umem_get-addr.patch
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@ -1377,6 +1375,8 @@ ApplyPatch drm-i915-Don-t-try-to-reference-the-fb-in-get_initia.patch
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#rhbz 1203584
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ApplyPatch Input-ALPS-fix-max-coordinates-for-v5-and-v7-protoco.patch
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#pplyPatch intel.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2227,6 +2227,9 @@ fi
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#
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#
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%changelog
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* Wed Mar 25 2015 Josh Boyer <jwboyer@fedoraproject.org> - 4.0.0-0.rc5.git2.1
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- Linux v4.0-rc5-53-gc875f421097a
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* Tue Mar 24 2015 Josh Boyer <jwboyer@fedoraproject.org>
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- Fix ALPS v5 and v7 trackpads (rhbz 1203584)
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@ -1,127 +0,0 @@
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From: Roger Tseng <rogerable@realtek.com>
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Date: Fri, 6 Mar 2015 11:36:06 +0800
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Subject: [PATCH] mfd: rtsx_usb: prevent DMA from stack
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Functions rtsx_usb_ep0_read_register() and rtsx_usb_get_card_status()
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both use arbitrary buffer addresses from arguments directly for DMA and
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the buffers could be located in stack. This was caught by DMA-API debug
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check.
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Fixes this by using double-buffers via kzalloc in both functions to
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guarantee the validity of DMA buffer.
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WARNING: CPU: 1 PID: 25 at lib/dma-debug.c:1166 check_for_stack+0x96/0xe0()
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ehci-pci 0000:00:1a.0: DMA-API: device driver maps memory from stack
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[addr=ffff8801199e3cef]
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Modules linked in: rtsx_usb_ms arc4 memstick intel_rapl iosf_mbi
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rtl8192ce snd_hda_codec_hdmi snd_hda_codec_realtek
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snd_hda_codec_generic snd_hda_intel rtl_pci rtl8192c_common
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snd_hda_controller x86_pkg_temp_thermal snd_hda_codec rtlwifi mac80211
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coretemp kvm_intel kvm iTCO_wdt snd_hwdep snd_seq snd_seq_device
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crct10dif_pclmul iTCO_vendor_support sparse_keymap cfg80211
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crc32_pclmul snd_pcm crc32c_intel ghash_clmulni_intel rfkill i2c_i801
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snd_timer shpchp snd serio_raw mei_me lpc_ich soundcore mei tpm_tis
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tpm wmi nfsd auth_rpcgss nfs_acl lockd grace sunrpc i915
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rtsx_usb_sdmmc mmc_core 8021q uas garp stp i2c_algo_bit llc mrp
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drm_kms_helper usb_storage drm rtsx_usb mfd_core r8169 mii video
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CPU: 1 PID: 25 Comm: kworker/1:2 Not tainted 3.20.0-0.rc0.git7.3.fc22.x86_64 #1
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Hardware name: WB WB-B06211/WB-B0621, BIOS EB062IWB V1.0 12/12/2013
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Workqueue: events rtsx_usb_ms_handle_req [rtsx_usb_ms]
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0000000000000000 000000003d188e66 ffff8801199e3808 ffffffff8187642b
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0000000000000000 ffff8801199e3860 ffff8801199e3848 ffffffff810ab39a
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ffff8801199e3864 ffff8801199e3cef ffff880119b57098 ffff880119b37320
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Call Trace:
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[<ffffffff8187642b>] dump_stack+0x4c/0x65
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[<ffffffff810ab39a>] warn_slowpath_common+0x8a/0xc0
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[<ffffffff810ab425>] warn_slowpath_fmt+0x55/0x70
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[<ffffffff8187efe6>] ? _raw_spin_unlock_irqrestore+0x36/0x70
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[<ffffffff81453156>] check_for_stack+0x96/0xe0
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[<ffffffff81453934>] debug_dma_map_page+0x104/0x150
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[<ffffffff81613b86>] usb_hcd_map_urb_for_dma+0x646/0x790
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[<ffffffff81614165>] usb_hcd_submit_urb+0x1d5/0xa90
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[<ffffffff81106f8f>] ? mark_held_locks+0x7f/0xc0
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[<ffffffff81106f8f>] ? mark_held_locks+0x7f/0xc0
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[<ffffffff81103a15>] ? lockdep_init_map+0x65/0x5d0
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[<ffffffff81615d7e>] usb_submit_urb+0x42e/0x5f0
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[<ffffffff81616787>] usb_start_wait_urb+0x77/0x190
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[<ffffffff8124f035>] ? __kmalloc+0x205/0x2d0
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[<ffffffff8161697c>] usb_control_msg+0xdc/0x130
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[<ffffffffa0031669>] rtsx_usb_ep0_read_register+0x59/0x70 [rtsx_usb]
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[<ffffffffa00310c1>] ? rtsx_usb_get_rsp+0x41/0x50 [rtsx_usb]
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[<ffffffffa071da4e>] rtsx_usb_ms_handle_req+0x7ce/0x9c5 [rtsx_usb_ms]
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Reported-by: Josh Boyer <jwboyer@fedoraproject.org>
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Signed-off-by: Roger Tseng <rogerable@realtek.com>
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---
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drivers/mfd/rtsx_usb.c | 30 ++++++++++++++++++++++++------
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1 file changed, 24 insertions(+), 6 deletions(-)
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diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c
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index ede50244f265..dbd907d7170e 100644
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--- a/drivers/mfd/rtsx_usb.c
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+++ b/drivers/mfd/rtsx_usb.c
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@@ -196,18 +196,27 @@ EXPORT_SYMBOL_GPL(rtsx_usb_ep0_write_register);
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int rtsx_usb_ep0_read_register(struct rtsx_ucr *ucr, u16 addr, u8 *data)
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{
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u16 value;
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+ u8 *buf;
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+ int ret;
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if (!data)
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return -EINVAL;
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- *data = 0;
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+
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+ buf = kzalloc(sizeof(u8), GFP_KERNEL);
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+ if (!buf)
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+ return -ENOMEM;
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addr |= EP0_READ_REG_CMD << EP0_OP_SHIFT;
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value = swab16(addr);
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- return usb_control_msg(ucr->pusb_dev,
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+ ret = usb_control_msg(ucr->pusb_dev,
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usb_rcvctrlpipe(ucr->pusb_dev, 0), RTSX_USB_REQ_REG_OP,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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- value, 0, data, 1, 100);
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+ value, 0, buf, 1, 100);
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+ *data = *buf;
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+
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+ kfree(buf);
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+ return ret;
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}
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EXPORT_SYMBOL_GPL(rtsx_usb_ep0_read_register);
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@@ -288,18 +297,27 @@ static int rtsx_usb_get_status_with_bulk(struct rtsx_ucr *ucr, u16 *status)
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int rtsx_usb_get_card_status(struct rtsx_ucr *ucr, u16 *status)
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{
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int ret;
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+ u16 *buf;
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if (!status)
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return -EINVAL;
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- if (polling_pipe == 0)
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+ if (polling_pipe == 0) {
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+ buf = kzalloc(sizeof(u16), GFP_KERNEL);
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+ if (!buf)
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+ return -ENOMEM;
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+
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ret = usb_control_msg(ucr->pusb_dev,
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usb_rcvctrlpipe(ucr->pusb_dev, 0),
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RTSX_USB_REQ_POLL,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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- 0, 0, status, 2, 100);
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- else
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+ 0, 0, buf, 2, 100);
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+ *status = *buf;
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+
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+ kfree(buf);
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+ } else {
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ret = rtsx_usb_get_status_with_bulk(ucr, status);
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+ }
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/* usb_control_msg may return positive when success */
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if (ret < 0)
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--
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2.1.0
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