diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2016-04-08 15:25:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-13 20:55:56 +0200 |
| commit | 71504062a7c34838c3fccd92c447f399d3cb5797 (patch) | |
| tree | e43b3f2eac378c3d346583a686c3d723d1ba8fde /drivers/usb/host | |
| parent | usb: host: xhci-plat: fix cannot work if R-Car Gen2/3 run on above 4GB phys (diff) | |
| download | linux-71504062a7c34838c3fccd92c447f399d3cb5797.tar.xz linux-71504062a7c34838c3fccd92c447f399d3cb5797.zip | |
usb: xhci: fix wild pointers in xhci_mem_cleanup
This patch fixes some wild pointers produced by xhci_mem_cleanup.
These wild pointers will cause system crash if xhci_mem_cleanup()
is called twice.
Reported-and-tested-by: Pengcheng Li <lpc.li@hisilicon.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 80c1de239e9a..bad0d1f9a41d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1861,6 +1861,12 @@ no_bw: kfree(xhci->rh_bw); kfree(xhci->ext_caps); + xhci->usb2_ports = NULL; + xhci->usb3_ports = NULL; + xhci->port_array = NULL; + xhci->rh_bw = NULL; + xhci->ext_caps = NULL; + xhci->page_size = 0; xhci->page_shift = 0; xhci->bus_state[0].bus_suspended = 0; |