diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2016-04-08 16:25:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-04 14:48:41 -0700 |
| commit | bb6adb50beb03da007c63e86866f6be81d671075 (patch) | |
| tree | 6c500546eaa924f8a3869b5bd00c1199bce1f391 /drivers/usb/host/xhci-mem.c | |
| parent | ba7aa9a970dc12054252042e2b30e1dedcdc5968 (diff) | |
usb: xhci: fix wild pointers in xhci_mem_cleanup
commit 71504062a7c34838c3fccd92c447f399d3cb5797 upstream.
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>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -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 c48cbe731356..d8dbd7e5194b 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1875,6 +1875,12 @@ 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; |