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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-15 21:24:55 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-15 21:24:55 +0300 |
| commit | e29876723f7cb7728f0d6a674d23f92673e9f112 (patch) | |
| tree | ea1da8bf77139f6cc6de029988208a7eddaf2002 /drivers/usb/core/hcd.c | |
| parent | 8c988ae787af4900bec5410658e8a82844185c85 (diff) | |
| parent | 4d4bac4499e9955521af80198063ef9c2f2bd634 (diff) | |
| download | linux-e29876723f7cb7728f0d6a674d23f92673e9f112.tar.xz | |
Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
usb: musb: fix device hotplug behind hub
usb: dwc2: Fix a bug in reading the endpoint directions from reg.
staging: emxx_udc: fix the build error
usb: Retry port status check on resume to work around RH bugs
Revert "usb: Reset USB-3 devices on USB-3 link bounce"
uhci-hub: use HUB_CHAR_*
usb: kconfig: replace PPC_OF with PPC
ehci-pci: disable for Intel MID platforms (update)
usb: gadget: Kconfig: use bool instead of boolean
usb: musb: blackfin: remove incorrect __exit_p()
USB: fix use-after-free bug in usb_hcd_unlink_urb()
ehci-pci: disable for Intel MID platforms
usb: host: pci_quirks: joing string literals
USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
USB: usbfs: allow URBs to be reaped after disconnection
cdc-acm: kill unnecessary messages
cdc-acm: add sanity checks
usb: phy: phy-generic: Fix USB PHY gpio reset
usb: dwc2: fix USB core dependencies
usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
...
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 11cee55ae397..45a915ccd71c 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1618,6 +1618,7 @@ static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status) int usb_hcd_unlink_urb (struct urb *urb, int status) { struct usb_hcd *hcd; + struct usb_device *udev = urb->dev; int retval = -EIDRM; unsigned long flags; @@ -1629,20 +1630,19 @@ int usb_hcd_unlink_urb (struct urb *urb, int status) spin_lock_irqsave(&hcd_urb_unlink_lock, flags); if (atomic_read(&urb->use_count) > 0) { retval = 0; - usb_get_dev(urb->dev); + usb_get_dev(udev); } spin_unlock_irqrestore(&hcd_urb_unlink_lock, flags); if (retval == 0) { hcd = bus_to_hcd(urb->dev->bus); retval = unlink1(hcd, urb, status); - usb_put_dev(urb->dev); + if (retval == 0) + retval = -EINPROGRESS; + else if (retval != -EIDRM && retval != -EBUSY) + dev_dbg(&udev->dev, "hcd_unlink_urb %p fail %d\n", + urb, retval); + usb_put_dev(udev); } - - if (retval == 0) - retval = -EINPROGRESS; - else if (retval != -EIDRM && retval != -EBUSY) - dev_dbg(&urb->dev->dev, "hcd_unlink_urb %p fail %d\n", - urb, retval); return retval; } |