* Patch "USB: ehci-platform: fix companion-device leak" has been added to the 4.9-stable tree
@ 2017-05-23 12:43 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2017-05-23 12:43 UTC (permalink / raw)
To: johan, gregkh, stern, yoshihiro.shimoda.uh; +Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
USB: ehci-platform: fix companion-device leak
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-ehci-platform-fix-companion-device-leak.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 <stable@vger.kernel.org> know about it.
>From a7415477a20448bbb7d13765784c0b29249a176f Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Tue, 16 May 2017 16:26:13 +0200
Subject: USB: ehci-platform: fix companion-device leak
From: Johan Hovold <johan@kernel.org>
commit a7415477a20448bbb7d13765784c0b29249a176f upstream.
Make sure do drop the reference taken to the companion device during
resume.
Fixes: d4d75128b8fd ("usb: host: ehci-platform: fix usb 1.1 device is not connected in system resume")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/host/ehci-platform.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -381,8 +381,10 @@ static int ehci_platform_resume(struct d
}
companion_dev = usb_of_get_companion_dev(hcd->self.controller);
- if (companion_dev)
+ if (companion_dev) {
device_pm_wait_for_dev(hcd->self.controller, companion_dev);
+ put_device(companion_dev);
+ }
ehci_resume(hcd, priv->reset_on_resume);
return 0;
Patches currently in stable-queue which might be from johan@kernel.org are
queue-4.9/usb-serial-io_ti-fix-div-by-zero-in-set_termios.patch
queue-4.9/usb-chaoskey-fix-alea-quirk-on-big-endian-hosts.patch
queue-4.9/usb-hub-fix-non-ss-hub-descriptor-handling.patch
queue-4.9/usb-serial-ftdi_sio-add-olimex-arm-usb-tiny-h-pids.patch
queue-4.9/usb-serial-ftdi_sio-fix-setting-latency-for-unprivileged-users.patch
queue-4.9/usb-iowarrior-fix-info-ioctl-on-big-endian-hosts.patch
queue-4.9/watchdog-pcwd_usb-fix-null-deref-at-probe.patch
queue-4.9/usb-serial-qcserial-add-more-lenovo-em74xx-device-ids.patch
queue-4.9/usb-serial-option-add-telit-me910-support.patch
queue-4.9/net-irda-irda-usb-fix-firmware-name-on-big-endian-hosts.patch
queue-4.9/of-fdt-add-missing-allocation-failure-check.patch
queue-4.9/usbvision-fix-null-deref-at-probe.patch
queue-4.9/usb-serial-mct_u232-fix-big-endian-baud-rate-handling.patch
queue-4.9/usb-ehci-platform-fix-companion-device-leak.patch
queue-4.9/mceusb-fix-null-deref-at-probe.patch
queue-4.9/usb-hub-fix-ss-hub-descriptor-handling.patch
queue-4.9/ath9k_htc-fix-null-deref-at-probe.patch
queue-4.9/usb-musb-fix-trying-to-suspend-while-active-for-otg-configurations.patch
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2017-05-23 12:43 Patch "USB: ehci-platform: fix companion-device leak" has been added to the 4.9-stable tree gregkh
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