From: Mathias Nyman mathias.nyman@linux.intel.com
[ Upstream commit 8a157d2ff104d2849c58226a1fd02365d7d60150 ]
return if rhub->ports is null after rhub->ports = kcalloc_node() Klockwork reported issue
Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Link: https://lore.kernel.org/r/20210406070208.3406266-2-mathias.nyman@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/host/xhci-mem.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3708432f5f69..717c122f9449 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2249,6 +2249,9 @@ static void xhci_create_rhub_port_array(struct xhci_hcd *xhci, return; rhub->ports = kcalloc_node(rhub->num_ports, sizeof(*rhub->ports), flags, dev_to_node(dev)); + if (!rhub->ports) + return; + for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { if (xhci->hw_ports[i].rhub != rhub || xhci->hw_ports[i].hcd_portnum == DUPLICATE_ENTRY)