Hello! On 05/18/2017 12:50 PM, Yuyang Du wrote:
From: Yuyang Du <yuyang.du@xxxxxxxxx> If we get nonpositive number of ports, there is no sense to
Negative?
continue, then fail gracefully. In addition, the commit 0775a9cbc694e8c72 ("usbip: vhci extension: modifications to vhci driver") introduced configurable numbers of controllers and ports, but we have a static port number maximum, MAXNPORT. If exceeded, the idev array will be overflown. We fix it by validating the nports to make sure the port number max is not exceeded. Reviewed-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx> Signed-off-by: Yuyang Du <yuyang.du@xxxxxxxxx> Acked-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> --- tools/usb/usbip/libsrc/vhci_driver.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/usb/usbip/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c index f659c14..151580a 100644 --- a/tools/usb/usbip/libsrc/vhci_driver.c +++ b/tools/usb/usbip/libsrc/vhci_driver.c @@ -220,9 +220,17 @@ int usbip_vhci_driver_open(void) } vhci_driver->nports = get_nports(); - dbg("available ports: %d", vhci_driver->nports); + if (vhci_driver->nports <=0) {
Please add a space after <= too. [...] MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html